19121690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1579}}^1$

素因数の和:1766

約数の個数: 32

約数和(自身を含む): 39588480

約数和(自身を除く): 20466790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1579, 1730, 2422, 3158, 6055, 7895, 11053, 12110, 15790, 22106, 55265, 110530, 273167, 546334, 1365835, 1912169, 2731670, 3824338, 9560845, 19121690]

約数ペア:

[(1, 19121690), (2, 9560845), (5, 3824338), (7, 2731670), (10, 1912169), (14, 1365835), (35, 546334), (70, 273167), (173, 110530), (346, 55265), (865, 22106), (1211, 15790), (1579, 12110), (1730, 11053), (2422, 7895), (3158, 6055)]