19430772

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 47113920

約数和(自身を除く): 27683148

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 107, 111, 148, 214, 222, 321, 409, 428, 444, 642, 818, 1227, 1284, 1636, 2454, 3959, 4908, 7918, 11877, 15133, 15836, 23754, 30266, 43763, 45399, 47508, 60532, 87526, 90798, 131289, 175052, 181596, 262578, 525156, 1619231, 3238462, 4857693, 6476924, 9715386, 19430772]

約数ペア:

[(1, 19430772), (2, 9715386), (3, 6476924), (4, 4857693), (6, 3238462), (12, 1619231), (37, 525156), (74, 262578), (107, 181596), (111, 175052), (148, 131289), (214, 90798), (222, 87526), (321, 60532), (409, 47508), (428, 45399), (444, 43763), (642, 30266), (818, 23754), (1227, 15836), (1284, 15133), (1636, 11877), (2454, 7918), (3959, 4908)]