19648954

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{953}}^1$

素因数の和:1042

約数の個数: 24

約数和(自身を含む): 32472252

約数和(自身を除く): 12823298

約数列:

[1, 2, 13, 26, 61, 122, 169, 338, 793, 953, 1586, 1906, 10309, 12389, 20618, 24778, 58133, 116266, 161057, 322114, 755729, 1511458, 9824477, 19648954]

約数ペア:

[(1, 19648954), (2, 9824477), (13, 1511458), (26, 755729), (61, 322114), (122, 161057), (169, 116266), (338, 58133), (793, 24778), (953, 20618), (1586, 12389), (1906, 10309)]