18851690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13183}}^1$

素因数の和:13214

約数の個数: 32

約数和(自身を含む): 39868416

約数和(自身を除く): 21016726

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13183, 26366, 65915, 131830, 145013, 171379, 290026, 342758, 725065, 856895, 1450130, 1713790, 1885169, 3770338, 9425845, 18851690]

約数ペア:

[(1, 18851690), (2, 9425845), (5, 3770338), (10, 1885169), (11, 1713790), (13, 1450130), (22, 856895), (26, 725065), (55, 342758), (65, 290026), (110, 171379), (130, 145013), (143, 131830), (286, 65915), (715, 26366), (1430, 13183)]