17910490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{443}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 34909056

約数和(自身を除く): 16998566

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 443, 622, 886, 1555, 2215, 3110, 4043, 4430, 5759, 8086, 11518, 20215, 28795, 40430, 57590, 137773, 275546, 688865, 1377730, 1791049, 3582098, 8955245, 17910490]

約数ペア:

[(1, 17910490), (2, 8955245), (5, 3582098), (10, 1791049), (13, 1377730), (26, 688865), (65, 275546), (130, 137773), (311, 57590), (443, 40430), (622, 28795), (886, 20215), (1555, 11518), (2215, 8086), (3110, 5759), (4043, 4430)]