19665392

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{12671}}^1$

素因数の和:12776

約数の個数: 20

約数和(自身を含む): 38497536

約数和(自身を除く): 18832144

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 12671, 25342, 50684, 101368, 202736, 1229087, 2458174, 4916348, 9832696, 19665392]

約数ペア:

[(1, 19665392), (2, 9832696), (4, 4916348), (8, 2458174), (16, 1229087), (97, 202736), (194, 101368), (388, 50684), (776, 25342), (1552, 12671)]