19243675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 28569600

約数和(自身を除く): 9325925

約数列:

[1, 5, 11, 19, 25, 29, 55, 95, 127, 145, 209, 275, 319, 475, 551, 635, 725, 1045, 1397, 1595, 2413, 2755, 3175, 3683, 5225, 6061, 6985, 7975, 12065, 13775, 18415, 26543, 30305, 34925, 40513, 60325, 69977, 92075, 132715, 151525, 202565, 349885, 663575, 769747, 1012825, 1749425, 3848735, 19243675]

約数ペア:

[(1, 19243675), (5, 3848735), (11, 1749425), (19, 1012825), (25, 769747), (29, 663575), (55, 349885), (95, 202565), (127, 151525), (145, 132715), (209, 92075), (275, 69977), (319, 60325), (475, 40513), (551, 34925), (635, 30305), (725, 26543), (1045, 18415), (1397, 13775), (1595, 12065), (2413, 7975), (2755, 6985), (3175, 6061), (3683, 5225)]