19971226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 35163072

約数和(自身を除く): 15191846

約数列:

[1, 2, 11, 17, 22, 34, 67, 134, 187, 374, 737, 797, 1139, 1474, 1594, 2278, 8767, 12529, 13549, 17534, 25058, 27098, 53399, 106798, 149039, 298078, 587389, 907783, 1174778, 1815566, 9985613, 19971226]

約数ペア:

[(1, 19971226), (2, 9985613), (11, 1815566), (17, 1174778), (22, 907783), (34, 587389), (67, 298078), (134, 149039), (187, 106798), (374, 53399), (737, 27098), (797, 25058), (1139, 17534), (1474, 13549), (1594, 12529), (2278, 8767)]