19312938

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 25845462

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 83, 93, 139, 166, 186, 249, 278, 279, 417, 498, 558, 747, 834, 837, 1251, 1494, 1674, 2241, 2502, 2573, 3753, 4309, 4482, 5146, 7506, 7719, 8618, 11537, 12927, 15438, 23074, 23157, 25854, 34611, 38781, 46314, 69222, 69471, 77562, 103833, 116343, 138942, 207666, 232686, 311499, 357647, 622998, 715294, 1072941, 2145882, 3218823, 6437646, 9656469, 19312938]

約数ペア:

[(1, 19312938), (2, 9656469), (3, 6437646), (6, 3218823), (9, 2145882), (18, 1072941), (27, 715294), (31, 622998), (54, 357647), (62, 311499), (83, 232686), (93, 207666), (139, 138942), (166, 116343), (186, 103833), (249, 77562), (278, 69471), (279, 69222), (417, 46314), (498, 38781), (558, 34611), (747, 25854), (834, 23157), (837, 23074), (1251, 15438), (1494, 12927), (1674, 11537), (2241, 8618), (2502, 7719), (2573, 7506), (3753, 5146), (4309, 4482)]