19664692

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{971}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 35435232

約数和(自身を除く): 15770540

約数列:

[1, 2, 4, 61, 83, 122, 166, 244, 332, 971, 1942, 3884, 5063, 10126, 20252, 59231, 80593, 118462, 161186, 236924, 322372, 4916173, 9832346, 19664692]

約数ペア:

[(1, 19664692), (2, 9832346), (4, 4916173), (61, 322372), (83, 236924), (122, 161186), (166, 118462), (244, 80593), (332, 59231), (971, 20252), (1942, 10126), (3884, 5063)]