18388030

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 34538400

約数和(自身を除く): 16150370

約数列:

[1, 2, 5, 10, 29, 58, 145, 163, 290, 326, 389, 778, 815, 1630, 1945, 3890, 4727, 9454, 11281, 22562, 23635, 47270, 56405, 63407, 112810, 126814, 317035, 634070, 1838803, 3677606, 9194015, 18388030]

約数ペア:

[(1, 18388030), (2, 9194015), (5, 3677606), (10, 1838803), (29, 634070), (58, 317035), (145, 126814), (163, 112810), (290, 63407), (326, 56405), (389, 47270), (778, 23635), (815, 22562), (1630, 11281), (1945, 9454), (3890, 4727)]