18284630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 41223168

約数和(自身を除く): 22938538

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 142, 182, 283, 355, 455, 497, 566, 710, 910, 923, 994, 1415, 1846, 1981, 2485, 2830, 3679, 3962, 4615, 4970, 6461, 7358, 9230, 9905, 12922, 18395, 19810, 20093, 25753, 32305, 36790, 40186, 51506, 64610, 100465, 128765, 140651, 200930, 257530, 261209, 281302, 522418, 703255, 1306045, 1406510, 1828463, 2612090, 3656926, 9142315, 18284630]

約数ペア:

[(1, 18284630), (2, 9142315), (5, 3656926), (7, 2612090), (10, 1828463), (13, 1406510), (14, 1306045), (26, 703255), (35, 522418), (65, 281302), (70, 261209), (71, 257530), (91, 200930), (130, 140651), (142, 128765), (182, 100465), (283, 64610), (355, 51506), (455, 40186), (497, 36790), (566, 32305), (710, 25753), (910, 20093), (923, 19810), (994, 18395), (1415, 12922), (1846, 9905), (1981, 9230), (2485, 7358), (2830, 6461), (3679, 4970), (3962, 4615)]