12719968

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{20921}}^1$

素因数の和:20950

約数の個数: 24

約数和(自身を含む): 26361720

約数和(自身を除く): 13641752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 20921, 41842, 83684, 167368, 334736, 397499, 669472, 794998, 1589996, 3179992, 6359984, 12719968]

約数ペア:

[(1, 12719968), (2, 6359984), (4, 3179992), (8, 1589996), (16, 794998), (19, 669472), (32, 397499), (38, 334736), (76, 167368), (152, 83684), (304, 41842), (608, 20921)]