19285890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49451}}^1$

素因数の和:49474

約数の個数: 32

約数和(自身を含む): 49847616

約数和(自身を除く): 30561726

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 49451, 98902, 148353, 247255, 296706, 494510, 642863, 741765, 1285726, 1483530, 1928589, 3214315, 3857178, 6428630, 9642945, 19285890]

約数ペア:

[(1, 19285890), (2, 9642945), (3, 6428630), (5, 3857178), (6, 3214315), (10, 1928589), (13, 1483530), (15, 1285726), (26, 741765), (30, 642863), (39, 494510), (65, 296706), (78, 247255), (130, 148353), (195, 98902), (390, 49451)]