19486624

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 41109768

約数和(自身を除く): 21623144

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 113, 136, 226, 272, 317, 452, 544, 634, 904, 1268, 1808, 1921, 2536, 3616, 3842, 5072, 5389, 7684, 10144, 10778, 15368, 21556, 30736, 35821, 43112, 61472, 71642, 86224, 143284, 172448, 286568, 573136, 608957, 1146272, 1217914, 2435828, 4871656, 9743312, 19486624]

約数ペア:

[(1, 19486624), (2, 9743312), (4, 4871656), (8, 2435828), (16, 1217914), (17, 1146272), (32, 608957), (34, 573136), (68, 286568), (113, 172448), (136, 143284), (226, 86224), (272, 71642), (317, 61472), (452, 43112), (544, 35821), (634, 30736), (904, 21556), (1268, 15368), (1808, 10778), (1921, 10144), (2536, 7684), (3616, 5389), (3842, 5072)]