19874188

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 35604800

約数和(自身を除く): 15730612

約数列:

[1, 2, 4, 79, 109, 158, 218, 316, 436, 577, 1154, 2308, 8611, 17222, 34444, 45583, 62893, 91166, 125786, 182332, 251572, 4968547, 9937094, 19874188]

約数ペア:

[(1, 19874188), (2, 9937094), (4, 4968547), (79, 251572), (109, 182332), (158, 125786), (218, 91166), (316, 62893), (436, 45583), (577, 34444), (1154, 17222), (2308, 8611)]