18947588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 38937024

約数和(自身を除く): 19989436

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 73, 146, 187, 292, 347, 374, 694, 748, 803, 1241, 1388, 1606, 2482, 3212, 3817, 4964, 5899, 7634, 11798, 13651, 15268, 23596, 25331, 27302, 50662, 54604, 64889, 101324, 129778, 259556, 278641, 430627, 557282, 861254, 1114564, 1722508, 4736897, 9473794, 18947588]

約数ペア:

[(1, 18947588), (2, 9473794), (4, 4736897), (11, 1722508), (17, 1114564), (22, 861254), (34, 557282), (44, 430627), (68, 278641), (73, 259556), (146, 129778), (187, 101324), (292, 64889), (347, 54604), (374, 50662), (694, 27302), (748, 25331), (803, 23596), (1241, 15268), (1388, 13651), (1606, 11798), (2482, 7634), (3212, 5899), (3817, 4964)]