19696572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1663}}^1$

素因数の和:1727

約数の個数: 72

約数和(自身を含む): 58146816

約数和(自身を除く): 38450244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 126, 141, 188, 252, 282, 329, 423, 564, 658, 846, 987, 1316, 1663, 1692, 1974, 2961, 3326, 3948, 4989, 5922, 6652, 9978, 11641, 11844, 14967, 19956, 23282, 29934, 34923, 46564, 59868, 69846, 78161, 104769, 139692, 156322, 209538, 234483, 312644, 419076, 468966, 547127, 703449, 937932, 1094254, 1406898, 1641381, 2188508, 2813796, 3282762, 4924143, 6565524, 9848286, 19696572]

約数ペア:

[(1, 19696572), (2, 9848286), (3, 6565524), (4, 4924143), (6, 3282762), (7, 2813796), (9, 2188508), (12, 1641381), (14, 1406898), (18, 1094254), (21, 937932), (28, 703449), (36, 547127), (42, 468966), (47, 419076), (63, 312644), (84, 234483), (94, 209538), (126, 156322), (141, 139692), (188, 104769), (252, 78161), (282, 69846), (329, 59868), (423, 46564), (564, 34923), (658, 29934), (846, 23282), (987, 19956), (1316, 14967), (1663, 11844), (1692, 11641), (1974, 9978), (2961, 6652), (3326, 5922), (3948, 4989)]