19171880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 55641600

約数和(自身を除く): 36469720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 229, 230, 260, 280, 299, 322, 364, 455, 458, 460, 520, 598, 644, 728, 805, 910, 916, 920, 1145, 1196, 1288, 1495, 1603, 1610, 1820, 1832, 2093, 2290, 2392, 2977, 2990, 3206, 3220, 3640, 4186, 4580, 5267, 5954, 5980, 6412, 6440, 8015, 8372, 9160, 10465, 10534, 11908, 11960, 12824, 14885, 16030, 16744, 20839, 20930, 21068, 23816, 26335, 29770, 32060, 36869, 41678, 41860, 42136, 52670, 59540, 64120, 68471, 73738, 83356, 83720, 104195, 105340, 119080, 136942, 147476, 166712, 184345, 208390, 210680, 273884, 294952, 342355, 368690, 416780, 479297, 547768, 684710, 737380, 833560, 958594, 1369420, 1474760, 1917188, 2396485, 2738840, 3834376, 4792970, 9585940, 19171880]

約数ペア:

[(1, 19171880), (2, 9585940), (4, 4792970), (5, 3834376), (7, 2738840), (8, 2396485), (10, 1917188), (13, 1474760), (14, 1369420), (20, 958594), (23, 833560), (26, 737380), (28, 684710), (35, 547768), (40, 479297), (46, 416780), (52, 368690), (56, 342355), (65, 294952), (70, 273884), (91, 210680), (92, 208390), (104, 184345), (115, 166712), (130, 147476), (140, 136942), (161, 119080), (182, 105340), (184, 104195), (229, 83720), (230, 83356), (260, 73738), (280, 68471), (299, 64120), (322, 59540), (364, 52670), (455, 42136), (458, 41860), (460, 41678), (520, 36869), (598, 32060), (644, 29770), (728, 26335), (805, 23816), (910, 21068), (916, 20930), (920, 20839), (1145, 16744), (1196, 16030), (1288, 14885), (1495, 12824), (1603, 11960), (1610, 11908), (1820, 10534), (1832, 10465), (2093, 9160), (2290, 8372), (2392, 8015), (2977, 6440), (2990, 6412), (3206, 5980), (3220, 5954), (3640, 5267), (4186, 4580)]