19943850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4289}}^1$

素因数の和:4335

約数の個数: 48

約数和(自身を含む): 51068160

約数和(自身を除く): 31124310

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 150, 155, 186, 310, 465, 775, 930, 1550, 2325, 4289, 4650, 8578, 12867, 21445, 25734, 42890, 64335, 107225, 128670, 132959, 214450, 265918, 321675, 398877, 643350, 664795, 797754, 1329590, 1994385, 3323975, 3988770, 6647950, 9971925, 19943850]

約数ペア:

[(1, 19943850), (2, 9971925), (3, 6647950), (5, 3988770), (6, 3323975), (10, 1994385), (15, 1329590), (25, 797754), (30, 664795), (31, 643350), (50, 398877), (62, 321675), (75, 265918), (93, 214450), (150, 132959), (155, 128670), (186, 107225), (310, 64335), (465, 42890), (775, 25734), (930, 21445), (1550, 12867), (2325, 8578), (4289, 4650)]