18685730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1543}}^1$

素因数の和:1730

約数の個数: 32

約数和(自身を含む): 38686464

約数和(自身を除く): 20000734

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1543, 1730, 2422, 3086, 6055, 7715, 10801, 12110, 15430, 21602, 54005, 108010, 266939, 533878, 1334695, 1868573, 2669390, 3737146, 9342865, 18685730]

約数ペア:

[(1, 18685730), (2, 9342865), (5, 3737146), (7, 2669390), (10, 1868573), (14, 1334695), (35, 533878), (70, 266939), (173, 108010), (346, 54005), (865, 21602), (1211, 15430), (1543, 12110), (1730, 10801), (2422, 7715), (3086, 6055)]