19428376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 43027200

約数和(自身を除く): 23598824

約数列:

[1, 2, 4, 8, 11, 22, 23, 29, 44, 46, 58, 88, 92, 116, 184, 232, 253, 319, 331, 506, 638, 662, 667, 1012, 1276, 1324, 1334, 2024, 2552, 2648, 2668, 3641, 5336, 7282, 7337, 7613, 9599, 14564, 14674, 15226, 19198, 29128, 29348, 30452, 38396, 58696, 60904, 76792, 83743, 105589, 167486, 211178, 220777, 334972, 422356, 441554, 669944, 844712, 883108, 1766216, 2428547, 4857094, 9714188, 19428376]

約数ペア:

[(1, 19428376), (2, 9714188), (4, 4857094), (8, 2428547), (11, 1766216), (22, 883108), (23, 844712), (29, 669944), (44, 441554), (46, 422356), (58, 334972), (88, 220777), (92, 211178), (116, 167486), (184, 105589), (232, 83743), (253, 76792), (319, 60904), (331, 58696), (506, 38396), (638, 30452), (662, 29348), (667, 29128), (1012, 19198), (1276, 15226), (1324, 14674), (1334, 14564), (2024, 9599), (2552, 7613), (2648, 7337), (2668, 7282), (3641, 5336)]