18172693

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 23784192

約数和(自身を除く): 5611499

約数列:

[1, 7, 11, 53, 61, 73, 77, 371, 427, 511, 583, 671, 803, 3233, 3869, 4081, 4453, 4697, 5621, 22631, 27083, 31171, 35563, 42559, 48983, 236009, 248941, 297913, 342881, 1652063, 2596099, 18172693]

約数ペア:

[(1, 18172693), (7, 2596099), (11, 1652063), (53, 342881), (61, 297913), (73, 248941), (77, 236009), (371, 48983), (427, 42559), (511, 35563), (583, 31171), (671, 27083), (803, 22631), (3233, 5621), (3869, 4697), (4081, 4453)]