18755516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1231}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 35496384

約数和(自身を除く): 16740868

約数列:

[1, 2, 4, 13, 26, 52, 293, 586, 1172, 1231, 2462, 3809, 4924, 7618, 15236, 16003, 32006, 64012, 360683, 721366, 1442732, 4688879, 9377758, 18755516]

約数ペア:

[(1, 18755516), (2, 9377758), (4, 4688879), (13, 1442732), (26, 721366), (52, 360683), (293, 64012), (586, 32006), (1172, 16003), (1231, 15236), (2462, 7618), (3809, 4924)]