19559452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 40158720

約数和(自身を除く): 20599268

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 79, 158, 187, 316, 331, 374, 662, 748, 869, 1324, 1343, 1738, 2686, 3476, 3641, 5372, 5627, 7282, 11254, 14564, 14773, 22508, 26149, 29546, 52298, 59092, 61897, 104596, 123794, 247588, 287639, 444533, 575278, 889066, 1150556, 1778132, 4889863, 9779726, 19559452]

約数ペア:

[(1, 19559452), (2, 9779726), (4, 4889863), (11, 1778132), (17, 1150556), (22, 889066), (34, 575278), (44, 444533), (68, 287639), (79, 247588), (158, 123794), (187, 104596), (316, 61897), (331, 59092), (374, 52298), (662, 29546), (748, 26149), (869, 22508), (1324, 14773), (1343, 14564), (1738, 11254), (2686, 7282), (3476, 5627), (3641, 5372)]