18787390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1708

約数の個数: 32

約数和(自身を含む): 36203040

約数和(自身を除く): 17415650

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 1621, 2318, 3242, 5795, 8105, 11590, 16210, 30799, 61598, 98881, 153995, 197762, 307990, 494405, 988810, 1878739, 3757478, 9393695, 18787390]

約数ペア:

[(1, 18787390), (2, 9393695), (5, 3757478), (10, 1878739), (19, 988810), (38, 494405), (61, 307990), (95, 197762), (122, 153995), (190, 98881), (305, 61598), (610, 30799), (1159, 16210), (1621, 11590), (2318, 8105), (3242, 5795)]