18952100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2399}}^1$

素因数の和:2492

約数の個数: 36

約数和(自身を含む): 41664000

約数和(自身を除く): 22711900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2399, 3950, 4798, 7900, 9596, 11995, 23990, 47980, 59975, 119950, 189521, 239900, 379042, 758084, 947605, 1895210, 3790420, 4738025, 9476050, 18952100]

約数ペア:

[(1, 18952100), (2, 9476050), (4, 4738025), (5, 3790420), (10, 1895210), (20, 947605), (25, 758084), (50, 379042), (79, 239900), (100, 189521), (158, 119950), (316, 59975), (395, 47980), (790, 23990), (1580, 11995), (1975, 9596), (2399, 7900), (3950, 4798)]