19257538

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1321}}^1$

素因数の和:1557

約数の個数: 16

約数和(自身を含む): 29840184

約数和(自身を除く): 10582646

約数列:

[1, 2, 37, 74, 197, 394, 1321, 2642, 7289, 14578, 48877, 97754, 260237, 520474, 9628769, 19257538]

約数ペア:

[(1, 19257538), (2, 9628769), (37, 520474), (74, 260237), (197, 97754), (394, 48877), (1321, 14578), (2642, 7289)]