19706808

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4391}}^1$

素因数の和:4428

約数の個数: 64

約数和(自身を含む): 56920320

約数和(自身を除く): 37213512

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 264, 374, 408, 561, 748, 1122, 1496, 2244, 4391, 4488, 8782, 13173, 17564, 26346, 35128, 48301, 52692, 74647, 96602, 105384, 144903, 149294, 193204, 223941, 289806, 298588, 386408, 447882, 579612, 597176, 821117, 895764, 1159224, 1642234, 1791528, 2463351, 3284468, 4926702, 6568936, 9853404, 19706808]

約数ペア:

[(1, 19706808), (2, 9853404), (3, 6568936), (4, 4926702), (6, 3284468), (8, 2463351), (11, 1791528), (12, 1642234), (17, 1159224), (22, 895764), (24, 821117), (33, 597176), (34, 579612), (44, 447882), (51, 386408), (66, 298588), (68, 289806), (88, 223941), (102, 193204), (132, 149294), (136, 144903), (187, 105384), (204, 96602), (264, 74647), (374, 52692), (408, 48301), (561, 35128), (748, 26346), (1122, 17564), (1496, 13173), (2244, 8782), (4391, 4488)]