18690452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 38169600

約数和(自身を除く): 19479148

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 79, 158, 209, 283, 316, 418, 566, 836, 869, 1132, 1501, 1738, 3002, 3113, 3476, 5377, 6004, 6226, 10754, 12452, 16511, 21508, 22357, 33022, 44714, 59147, 66044, 89428, 118294, 236588, 245927, 424783, 491854, 849566, 983708, 1699132, 4672613, 9345226, 18690452]

約数ペア:

[(1, 18690452), (2, 9345226), (4, 4672613), (11, 1699132), (19, 983708), (22, 849566), (38, 491854), (44, 424783), (76, 245927), (79, 236588), (158, 118294), (209, 89428), (283, 66044), (316, 59147), (418, 44714), (566, 33022), (836, 22357), (869, 21508), (1132, 16511), (1501, 12452), (1738, 10754), (3002, 6226), (3113, 6004), (3476, 5377)]