19864127920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{88019}}^1$

素因数の和:88083

約数の個数: 160

約数和(自身を含む): 58676244480

約数和(自身を除く): 38812116560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2480, 2821, 3224, 3472, 3640, 4030, 4340, 5642, 6448, 7280, 8060, 8680, 11284, 14105, 16120, 17360, 22568, 28210, 32240, 45136, 56420, 88019, 112840, 176038, 225680, 352076, 440095, 616133, 704152, 880190, 1144247, 1232266, 1408304, 1760380, 2288494, 2464532, 2728589, 3080665, 3520760, 4576988, 4929064, 5457178, 5721235, 6161330, 7041520, 8009729, 9153976, 9858128, 10914356, 11442470, 12322660, 13642945, 16019458, 18307952, 19100123, 21828712, 22884940, 24645320, 27285890, 32038916, 35471657, 38200246, 40048645, 43657424, 45769880, 49290640, 54571780, 64077832, 70943314, 76400492, 80097290, 91539760, 95500615, 109143560, 128155664, 141886628, 152800984, 160194580, 177358285, 191001230, 218287120, 248301599, 283773256, 305601968, 320389160, 354716570, 382002460, 496603198, 567546512, 640778320, 709433140, 764004920, 993206396, 1241507995, 1418866280, 1528009840, 1986412792, 2483015990, 2837732560, 3972825584, 4966031980, 9932063960, 19864127920]

約数ペア:

[(1, 19864127920), (2, 9932063960), (4, 4966031980), (5, 3972825584), (7, 2837732560), (8, 2483015990), (10, 1986412792), (13, 1528009840), (14, 1418866280), (16, 1241507995), (20, 993206396), (26, 764004920), (28, 709433140), (31, 640778320), (35, 567546512), (40, 496603198), (52, 382002460), (56, 354716570), (62, 320389160), (65, 305601968), (70, 283773256), (80, 248301599), (91, 218287120), (104, 191001230), (112, 177358285), (124, 160194580), (130, 152800984), (140, 141886628), (155, 128155664), (182, 109143560), (208, 95500615), (217, 91539760), (248, 80097290), (260, 76400492), (280, 70943314), (310, 64077832), (364, 54571780), (403, 49290640), (434, 45769880), (455, 43657424), (496, 40048645), (520, 38200246), (560, 35471657), (620, 32038916), (728, 27285890), (806, 24645320), (868, 22884940), (910, 21828712), (1040, 19100123), (1085, 18307952), (1240, 16019458), (1456, 13642945), (1612, 12322660), (1736, 11442470), (1820, 10914356), (2015, 9858128), (2170, 9153976), (2480, 8009729), (2821, 7041520), (3224, 6161330), (3472, 5721235), (3640, 5457178), (4030, 4929064), (4340, 4576988), (5642, 3520760), (6448, 3080665), (7280, 2728589), (8060, 2464532), (8680, 2288494), (11284, 1760380), (14105, 1408304), (16120, 1232266), (17360, 1144247), (22568, 880190), (28210, 704152), (32240, 616133), (45136, 440095), (56420, 352076), (88019, 225680), (112840, 176038)]