18441280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 168

約数和(自身を含む): 53547264

約数和(自身を除く): 35105984

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 64, 65, 80, 88, 104, 110, 124, 130, 143, 155, 160, 169, 176, 208, 220, 248, 260, 286, 310, 320, 338, 341, 352, 403, 416, 440, 496, 520, 572, 620, 676, 682, 704, 715, 806, 832, 845, 880, 992, 1040, 1144, 1240, 1352, 1364, 1430, 1612, 1690, 1705, 1760, 1859, 1984, 2015, 2080, 2288, 2480, 2704, 2728, 2860, 3224, 3380, 3410, 3520, 3718, 4030, 4160, 4433, 4576, 4960, 5239, 5408, 5456, 5720, 6448, 6760, 6820, 7436, 8060, 8866, 9152, 9295, 9920, 10478, 10816, 10912, 11440, 12896, 13520, 13640, 14872, 16120, 17732, 18590, 20956, 21824, 22165, 22880, 25792, 26195, 27040, 27280, 29744, 32240, 35464, 37180, 41912, 44330, 45760, 52390, 54080, 54560, 57629, 59488, 64480, 70928, 74360, 83824, 88660, 104780, 109120, 115258, 118976, 128960, 141856, 148720, 167648, 177320, 209560, 230516, 283712, 288145, 297440, 335296, 354640, 419120, 461032, 576290, 594880, 709280, 838240, 922064, 1152580, 1418560, 1676480, 1844128, 2305160, 3688256, 4610320, 9220640, 18441280]

約数ペア:

[(1, 18441280), (2, 9220640), (4, 4610320), (5, 3688256), (8, 2305160), (10, 1844128), (11, 1676480), (13, 1418560), (16, 1152580), (20, 922064), (22, 838240), (26, 709280), (31, 594880), (32, 576290), (40, 461032), (44, 419120), (52, 354640), (55, 335296), (62, 297440), (64, 288145), (65, 283712), (80, 230516), (88, 209560), (104, 177320), (110, 167648), (124, 148720), (130, 141856), (143, 128960), (155, 118976), (160, 115258), (169, 109120), (176, 104780), (208, 88660), (220, 83824), (248, 74360), (260, 70928), (286, 64480), (310, 59488), (320, 57629), (338, 54560), (341, 54080), (352, 52390), (403, 45760), (416, 44330), (440, 41912), (496, 37180), (520, 35464), (572, 32240), (620, 29744), (676, 27280), (682, 27040), (704, 26195), (715, 25792), (806, 22880), (832, 22165), (845, 21824), (880, 20956), (992, 18590), (1040, 17732), (1144, 16120), (1240, 14872), (1352, 13640), (1364, 13520), (1430, 12896), (1612, 11440), (1690, 10912), (1705, 10816), (1760, 10478), (1859, 9920), (1984, 9295), (2015, 9152), (2080, 8866), (2288, 8060), (2480, 7436), (2704, 6820), (2728, 6760), (2860, 6448), (3224, 5720), (3380, 5456), (3410, 5408), (3520, 5239), (3718, 4960), (4030, 4576), (4160, 4433)]