19837100

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1217}}^1$

素因数の和:1394

約数の個数: 36

約数和(自身を含む): 43346184

約数和(自身を除く): 23509084

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 326, 652, 815, 1217, 1630, 2434, 3260, 4075, 4868, 6085, 8150, 12170, 16300, 24340, 30425, 60850, 121700, 198371, 396742, 793484, 991855, 1983710, 3967420, 4959275, 9918550, 19837100]

約数ペア:

[(1, 19837100), (2, 9918550), (4, 4959275), (5, 3967420), (10, 1983710), (20, 991855), (25, 793484), (50, 396742), (100, 198371), (163, 121700), (326, 60850), (652, 30425), (815, 24340), (1217, 16300), (1630, 12170), (2434, 8150), (3260, 6085), (4075, 4868)]