19914978

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 40979520

約数和(自身を除く): 21064542

約数列:

[1, 2, 3, 6, 59, 101, 118, 177, 202, 303, 354, 557, 606, 1114, 1671, 3342, 5959, 11918, 17877, 32863, 35754, 56257, 65726, 98589, 112514, 168771, 197178, 337542, 3319163, 6638326, 9957489, 19914978]

約数ペア:

[(1, 19914978), (2, 9957489), (3, 6638326), (6, 3319163), (59, 337542), (101, 197178), (118, 168771), (177, 112514), (202, 98589), (303, 65726), (354, 56257), (557, 35754), (606, 32863), (1114, 17877), (1671, 11918), (3342, 5959)]