18916552

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1283}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 37749600

約数和(自身を除く): 18833048

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 388, 776, 1283, 1843, 2566, 3686, 5132, 7372, 10264, 14744, 24377, 48754, 97508, 124451, 195016, 248902, 497804, 995608, 2364569, 4729138, 9458276, 18916552]

約数ペア:

[(1, 18916552), (2, 9458276), (4, 4729138), (8, 2364569), (19, 995608), (38, 497804), (76, 248902), (97, 195016), (152, 124451), (194, 97508), (388, 48754), (776, 24377), (1283, 14744), (1843, 10264), (2566, 7372), (3686, 5132)]