19839890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1877}}^1$

素因数の和:2042

約数の個数: 32

約数和(自身を含む): 41105664

約数和(自身を除く): 21265774

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 151, 302, 755, 1057, 1510, 1877, 2114, 3754, 5285, 9385, 10570, 13139, 18770, 26278, 65695, 131390, 283427, 566854, 1417135, 1983989, 2834270, 3967978, 9919945, 19839890]

約数ペア:

[(1, 19839890), (2, 9919945), (5, 3967978), (7, 2834270), (10, 1983989), (14, 1417135), (35, 566854), (70, 283427), (151, 131390), (302, 65695), (755, 26278), (1057, 18770), (1510, 13139), (1877, 10570), (2114, 9385), (3754, 5285)]