18403814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 32689440

約数和(自身を除く): 14285626

約数列:

[1, 2, 11, 13, 22, 26, 143, 229, 281, 286, 458, 562, 2519, 2977, 3091, 3653, 5038, 5954, 6182, 7306, 32747, 40183, 64349, 65494, 80366, 128698, 707839, 836537, 1415678, 1673074, 9201907, 18403814]

約数ペア:

[(1, 18403814), (2, 9201907), (11, 1673074), (13, 1415678), (22, 836537), (26, 707839), (143, 128698), (229, 80366), (281, 65494), (286, 64349), (458, 40183), (562, 32747), (2519, 7306), (2977, 6182), (3091, 5954), (3653, 5038)]