18742942

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 31321728

約数和(自身を除く): 12578786

約数列:

[1, 2, 17, 34, 37, 47, 74, 94, 317, 629, 634, 799, 1258, 1598, 1739, 3478, 5389, 10778, 11729, 14899, 23458, 29563, 29798, 59126, 199393, 253283, 398786, 506566, 551263, 1102526, 9371471, 18742942]

約数ペア:

[(1, 18742942), (2, 9371471), (17, 1102526), (34, 551263), (37, 506566), (47, 398786), (74, 253283), (94, 199393), (317, 59126), (629, 29798), (634, 29563), (799, 23458), (1258, 14899), (1598, 11729), (1739, 10778), (3478, 5389)]