16921580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1759}}^1$

素因数の和:1818

約数の個数: 48

約数和(自身を含む): 39325440

約数和(自身を除く): 22403860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1759, 1924, 2405, 3518, 4810, 7036, 8795, 9620, 17590, 22867, 35180, 45734, 65083, 91468, 114335, 130166, 228670, 260332, 325415, 457340, 650830, 846079, 1301660, 1692158, 3384316, 4230395, 8460790, 16921580]

約数ペア:

[(1, 16921580), (2, 8460790), (4, 4230395), (5, 3384316), (10, 1692158), (13, 1301660), (20, 846079), (26, 650830), (37, 457340), (52, 325415), (65, 260332), (74, 228670), (130, 130166), (148, 114335), (185, 91468), (260, 65083), (370, 45734), (481, 35180), (740, 22867), (962, 17590), (1759, 9620), (1924, 8795), (2405, 7036), (3518, 4810)]