19724321275

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{1913}}^1\times {\mathrm{4969}}^1$

素因数の和:6975

約数の個数: 24

約数和(自身を含む): 24770758320

約数和(自身を除く): 5046437045

約数列:

[1, 5, 25, 83, 415, 1913, 2075, 4969, 9565, 24845, 47825, 124225, 158779, 412427, 793895, 2062135, 3969475, 9505697, 10310675, 47528485, 237642425, 788972851, 3944864255, 19724321275]

約数ペア:

[(1, 19724321275), (5, 3944864255), (25, 788972851), (83, 237642425), (415, 47528485), (1913, 10310675), (2075, 9505697), (4969, 3969475), (9565, 2062135), (24845, 793895), (47825, 412427), (124225, 158779)]