18396585

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 35020800

約数和(自身を除く): 16624215

約数列:

[1, 3, 5, 9, 15, 27, 29, 37, 45, 87, 111, 127, 135, 145, 185, 261, 333, 381, 435, 555, 635, 783, 999, 1073, 1143, 1305, 1665, 1905, 3219, 3429, 3683, 3915, 4699, 4995, 5365, 5715, 9657, 11049, 14097, 16095, 17145, 18415, 23495, 28971, 33147, 42291, 48285, 55245, 70485, 99441, 126873, 136271, 144855, 165735, 211455, 408813, 497205, 634365, 681355, 1226439, 2044065, 3679317, 6132195, 18396585]

約数ペア:

[(1, 18396585), (3, 6132195), (5, 3679317), (9, 2044065), (15, 1226439), (27, 681355), (29, 634365), (37, 497205), (45, 408813), (87, 211455), (111, 165735), (127, 144855), (135, 136271), (145, 126873), (185, 99441), (261, 70485), (333, 55245), (381, 48285), (435, 42291), (555, 33147), (635, 28971), (783, 23495), (999, 18415), (1073, 17145), (1143, 16095), (1305, 14097), (1665, 11049), (1905, 9657), (3219, 5715), (3429, 5365), (3683, 4995), (3915, 4699)]