19115490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1223}}^1$

素因数の和:1754

約数の個数: 32

約数和(自身を含む): 46002816

約数和(自身を除く): 26887326

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 521, 1042, 1223, 1563, 2446, 2605, 3126, 3669, 5210, 6115, 7338, 7815, 12230, 15630, 18345, 36690, 637183, 1274366, 1911549, 3185915, 3823098, 6371830, 9557745, 19115490]

約数ペア:

[(1, 19115490), (2, 9557745), (3, 6371830), (5, 3823098), (6, 3185915), (10, 1911549), (15, 1274366), (30, 637183), (521, 36690), (1042, 18345), (1223, 15630), (1563, 12230), (2446, 7815), (2605, 7338), (3126, 6115), (3669, 5210)]