19474485

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 32292480

約数和(自身を除く): 12817995

約数列:

[1, 3, 5, 15, 43, 109, 129, 215, 277, 327, 545, 645, 831, 1385, 1635, 4155, 4687, 11911, 14061, 23435, 30193, 35733, 59555, 70305, 90579, 150965, 178665, 452895, 1298299, 3894897, 6491495, 19474485]

約数ペア:

[(1, 19474485), (3, 6491495), (5, 3894897), (15, 1298299), (43, 452895), (109, 178665), (129, 150965), (215, 90579), (277, 70305), (327, 59555), (545, 35733), (645, 30193), (831, 23435), (1385, 14061), (1635, 11911), (4155, 4687)]