19413360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:535

約数の個数: 120

約数和(自身を含む): 66446640

約数和(自身を除く): 47033280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 457, 472, 531, 590, 708, 720, 885, 914, 944, 1062, 1180, 1371, 1416, 1770, 1828, 2124, 2285, 2360, 2655, 2742, 2832, 3540, 3656, 4113, 4248, 4570, 4720, 5310, 5484, 6855, 7080, 7312, 8226, 8496, 9140, 10620, 10968, 13710, 14160, 16452, 18280, 20565, 21240, 21936, 26963, 27420, 32904, 36560, 41130, 42480, 53926, 54840, 65808, 80889, 82260, 107852, 109680, 134815, 161778, 164520, 215704, 242667, 269630, 323556, 329040, 404445, 431408, 485334, 539260, 647112, 808890, 970668, 1078520, 1213335, 1294224, 1617780, 1941336, 2157040, 2426670, 3235560, 3882672, 4853340, 6471120, 9706680, 19413360]

約数ペア:

[(1, 19413360), (2, 9706680), (3, 6471120), (4, 4853340), (5, 3882672), (6, 3235560), (8, 2426670), (9, 2157040), (10, 1941336), (12, 1617780), (15, 1294224), (16, 1213335), (18, 1078520), (20, 970668), (24, 808890), (30, 647112), (36, 539260), (40, 485334), (45, 431408), (48, 404445), (59, 329040), (60, 323556), (72, 269630), (80, 242667), (90, 215704), (118, 164520), (120, 161778), (144, 134815), (177, 109680), (180, 107852), (236, 82260), (240, 80889), (295, 65808), (354, 54840), (360, 53926), (457, 42480), (472, 41130), (531, 36560), (590, 32904), (708, 27420), (720, 26963), (885, 21936), (914, 21240), (944, 20565), (1062, 18280), (1180, 16452), (1371, 14160), (1416, 13710), (1770, 10968), (1828, 10620), (2124, 9140), (2285, 8496), (2360, 8226), (2655, 7312), (2742, 7080), (2832, 6855), (3540, 5484), (3656, 5310), (4113, 4720), (4248, 4570)]