19916508

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1447}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 49301504

約数和(自身を除く): 29384996

約数列:

[1, 2, 3, 4, 6, 12, 31, 37, 62, 74, 93, 111, 124, 148, 186, 222, 372, 444, 1147, 1447, 2294, 2894, 3441, 4341, 4588, 5788, 6882, 8682, 13764, 17364, 44857, 53539, 89714, 107078, 134571, 160617, 179428, 214156, 269142, 321234, 538284, 642468, 1659709, 3319418, 4979127, 6638836, 9958254, 19916508]

約数ペア:

[(1, 19916508), (2, 9958254), (3, 6638836), (4, 4979127), (6, 3319418), (12, 1659709), (31, 642468), (37, 538284), (62, 321234), (74, 269142), (93, 214156), (111, 179428), (124, 160617), (148, 134571), (186, 107078), (222, 89714), (372, 53539), (444, 44857), (1147, 17364), (1447, 13764), (2294, 8682), (2894, 6882), (3441, 5788), (4341, 4588)]