19423820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74707}}^1$

素因数の和:74729

約数の個数: 24

約数和(自身を含む): 43928304

約数和(自身を除く): 24504484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74707, 149414, 298828, 373535, 747070, 971191, 1494140, 1942382, 3884764, 4855955, 9711910, 19423820]

約数ペア:

[(1, 19423820), (2, 9711910), (4, 4855955), (5, 3884764), (10, 1942382), (13, 1494140), (20, 971191), (26, 747070), (52, 373535), (65, 298828), (130, 149414), (260, 74707)]