19965612

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 48513024

約数和(自身を除く): 28547412

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 191, 281, 372, 382, 562, 573, 764, 843, 1124, 1146, 1686, 2292, 3372, 5921, 8711, 11842, 17422, 17763, 23684, 26133, 34844, 35526, 52266, 53671, 71052, 104532, 107342, 161013, 214684, 322026, 644052, 1663801, 3327602, 4991403, 6655204, 9982806, 19965612]

約数ペア:

[(1, 19965612), (2, 9982806), (3, 6655204), (4, 4991403), (6, 3327602), (12, 1663801), (31, 644052), (62, 322026), (93, 214684), (124, 161013), (186, 107342), (191, 104532), (281, 71052), (372, 53671), (382, 52266), (562, 35526), (573, 34844), (764, 26133), (843, 23684), (1124, 17763), (1146, 17422), (1686, 11842), (2292, 8711), (3372, 5921)]