18780978

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2729}}^1$

素因数の和:2802

約数の個数: 32

約数和(自身を含む): 39836160

約数和(自身を除く): 21055182

約数列:

[1, 2, 3, 6, 31, 37, 62, 74, 93, 111, 186, 222, 1147, 2294, 2729, 3441, 5458, 6882, 8187, 16374, 84599, 100973, 169198, 201946, 253797, 302919, 507594, 605838, 3130163, 6260326, 9390489, 18780978]

約数ペア:

[(1, 18780978), (2, 9390489), (3, 6260326), (6, 3130163), (31, 605838), (37, 507594), (62, 302919), (74, 253797), (93, 201946), (111, 169198), (186, 100973), (222, 84599), (1147, 16374), (2294, 8187), (2729, 6882), (3441, 5458)]