18181438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 31352832

約数和(自身を除く): 13171394

約数列:

[1, 2, 11, 22, 31, 53, 62, 106, 341, 503, 583, 682, 1006, 1166, 1643, 3286, 5533, 11066, 15593, 18073, 26659, 31186, 36146, 53318, 171523, 293249, 343046, 586498, 826429, 1652858, 9090719, 18181438]

約数ペア:

[(1, 18181438), (2, 9090719), (11, 1652858), (22, 826429), (31, 586498), (53, 343046), (62, 293249), (106, 171523), (341, 53318), (503, 36146), (583, 31186), (682, 26659), (1006, 18073), (1166, 15593), (1643, 11066), (3286, 5533)]