19309535

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 29707776

約数和(自身を除く): 10398241

約数列:

[1, 5, 7, 17, 23, 35, 83, 85, 115, 119, 161, 289, 391, 415, 581, 595, 805, 1411, 1445, 1909, 1955, 2023, 2737, 2905, 6647, 7055, 9545, 9877, 10115, 13363, 13685, 23987, 32453, 33235, 46529, 49385, 66815, 119935, 162265, 167909, 227171, 232645, 551701, 839545, 1135855, 2758505, 3861907, 19309535]

約数ペア:

[(1, 19309535), (5, 3861907), (7, 2758505), (17, 1135855), (23, 839545), (35, 551701), (83, 232645), (85, 227171), (115, 167909), (119, 162265), (161, 119935), (289, 66815), (391, 49385), (415, 46529), (581, 33235), (595, 32453), (805, 23987), (1411, 13685), (1445, 13363), (1909, 10115), (1955, 9877), (2023, 9545), (2737, 7055), (2905, 6647)]