19745902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 34433280

約数和(自身を除く): 14687378

約数列:

[1, 2, 11, 19, 22, 38, 97, 194, 209, 418, 487, 974, 1067, 1843, 2134, 3686, 5357, 9253, 10714, 18506, 20273, 40546, 47239, 94478, 101783, 203566, 519629, 897541, 1039258, 1795082, 9872951, 19745902]

約数ペア:

[(1, 19745902), (2, 9872951), (11, 1795082), (19, 1039258), (22, 897541), (38, 519629), (97, 203566), (194, 101783), (209, 94478), (418, 47239), (487, 40546), (974, 20273), (1067, 18506), (1843, 10714), (2134, 9253), (3686, 5357)]