19860728

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 38495520

約数和(自身を除く): 18634792

約数列:

[1, 2, 4, 8, 41, 82, 151, 164, 302, 328, 401, 604, 802, 1208, 1604, 3208, 6191, 12382, 16441, 24764, 32882, 49528, 60551, 65764, 121102, 131528, 242204, 484408, 2482591, 4965182, 9930364, 19860728]

約数ペア:

[(1, 19860728), (2, 9930364), (4, 4965182), (8, 2482591), (41, 484408), (82, 242204), (151, 131528), (164, 121102), (302, 65764), (328, 60551), (401, 49528), (604, 32882), (802, 24764), (1208, 16441), (1604, 12382), (3208, 6191)]