17998190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1641

約数の個数: 48

約数和(自身を含む): 39349152

約数和(自身を除く): 21350962

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1597, 1610, 2254, 3194, 5635, 7985, 11179, 11270, 15970, 22358, 36731, 55895, 73462, 78253, 111790, 156506, 183655, 257117, 367310, 391265, 514234, 782530, 1285585, 1799819, 2571170, 3599638, 8999095, 17998190]

約数ペア:

[(1, 17998190), (2, 8999095), (5, 3599638), (7, 2571170), (10, 1799819), (14, 1285585), (23, 782530), (35, 514234), (46, 391265), (49, 367310), (70, 257117), (98, 183655), (115, 156506), (161, 111790), (230, 78253), (245, 73462), (322, 55895), (490, 36731), (805, 22358), (1127, 15970), (1597, 11270), (1610, 11179), (2254, 7985), (3194, 5635)]