19907862

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:737

約数の個数: 48

約数和(自身を含む): 44666640

約数和(自身を除く): 24758778

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 169, 174, 338, 377, 507, 677, 754, 1014, 1131, 1354, 2031, 2262, 4062, 4901, 8801, 9802, 14703, 17602, 19633, 26403, 29406, 39266, 52806, 58899, 114413, 117798, 228826, 255229, 343239, 510458, 686478, 765687, 1531374, 3317977, 6635954, 9953931, 19907862]

約数ペア:

[(1, 19907862), (2, 9953931), (3, 6635954), (6, 3317977), (13, 1531374), (26, 765687), (29, 686478), (39, 510458), (58, 343239), (78, 255229), (87, 228826), (169, 117798), (174, 114413), (338, 58899), (377, 52806), (507, 39266), (677, 29406), (754, 26403), (1014, 19633), (1131, 17602), (1354, 14703), (2031, 9802), (2262, 8801), (4062, 4901)]