19952504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 44634240

約数和(自身を除く): 24681736

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 107, 143, 163, 214, 286, 326, 428, 572, 652, 856, 1144, 1177, 1304, 1391, 1793, 2119, 2354, 2782, 3586, 4238, 4708, 5564, 7172, 8476, 9416, 11128, 14344, 15301, 16952, 17441, 23309, 30602, 34882, 46618, 61204, 69764, 93236, 122408, 139528, 186472, 191851, 226733, 383702, 453466, 767404, 906932, 1534808, 1813864, 2494063, 4988126, 9976252, 19952504]

約数ペア:

[(1, 19952504), (2, 9976252), (4, 4988126), (8, 2494063), (11, 1813864), (13, 1534808), (22, 906932), (26, 767404), (44, 453466), (52, 383702), (88, 226733), (104, 191851), (107, 186472), (143, 139528), (163, 122408), (214, 93236), (286, 69764), (326, 61204), (428, 46618), (572, 34882), (652, 30602), (856, 23309), (1144, 17441), (1177, 16952), (1304, 15301), (1391, 14344), (1793, 11128), (2119, 9416), (2354, 8476), (2782, 7172), (3586, 5564), (4238, 4708)]