19147250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 39312000

約数和(自身を除く): 20164750

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 125, 139, 145, 190, 250, 278, 290, 475, 551, 695, 725, 950, 1102, 1390, 1450, 2375, 2641, 2755, 3475, 3625, 4031, 4750, 5282, 5510, 6950, 7250, 8062, 13205, 13775, 17375, 20155, 26410, 27550, 34750, 40310, 66025, 68875, 76589, 100775, 132050, 137750, 153178, 201550, 330125, 382945, 503875, 660250, 765890, 1007750, 1914725, 3829450, 9573625, 19147250]

約数ペア:

[(1, 19147250), (2, 9573625), (5, 3829450), (10, 1914725), (19, 1007750), (25, 765890), (29, 660250), (38, 503875), (50, 382945), (58, 330125), (95, 201550), (125, 153178), (139, 137750), (145, 132050), (190, 100775), (250, 76589), (278, 68875), (290, 66025), (475, 40310), (551, 34750), (695, 27550), (725, 26410), (950, 20155), (1102, 17375), (1390, 13775), (1450, 13205), (2375, 8062), (2641, 7250), (2755, 6950), (3475, 5510), (3625, 5282), (4031, 4750)]