18939570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48563}}^1$

素因数の和:48586

約数の個数: 32

約数和(自身を含む): 48952512

約数和(自身を除く): 30012942

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 48563, 97126, 145689, 242815, 291378, 485630, 631319, 728445, 1262638, 1456890, 1893957, 3156595, 3787914, 6313190, 9469785, 18939570]

約数ペア:

[(1, 18939570), (2, 9469785), (3, 6313190), (5, 3787914), (6, 3156595), (10, 1893957), (13, 1456890), (15, 1262638), (26, 728445), (30, 631319), (39, 485630), (65, 291378), (78, 242815), (130, 145689), (195, 97126), (390, 48563)]