18078830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 41430528

約数和(自身を除く): 23351698

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 53, 55, 70, 77, 106, 110, 154, 265, 371, 385, 443, 530, 583, 742, 770, 886, 1166, 1855, 2215, 2915, 3101, 3710, 4081, 4430, 4873, 5830, 6202, 8162, 9746, 15505, 20405, 23479, 24365, 31010, 34111, 40810, 46958, 48730, 68222, 117395, 164353, 170555, 234790, 258269, 328706, 341110, 516538, 821765, 1291345, 1643530, 1807883, 2582690, 3615766, 9039415, 18078830]

約数ペア:

[(1, 18078830), (2, 9039415), (5, 3615766), (7, 2582690), (10, 1807883), (11, 1643530), (14, 1291345), (22, 821765), (35, 516538), (53, 341110), (55, 328706), (70, 258269), (77, 234790), (106, 170555), (110, 164353), (154, 117395), (265, 68222), (371, 48730), (385, 46958), (443, 40810), (530, 34111), (583, 31010), (742, 24365), (770, 23479), (886, 20405), (1166, 15505), (1855, 9746), (2215, 8162), (2915, 6202), (3101, 5830), (3710, 4873), (4081, 4430)]