19888100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8647}}^1$

素因数の和:8684

約数の個数: 36

約数和(自身を含む): 45038784

約数和(自身を除く): 25150684

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 8647, 17294, 34588, 43235, 86470, 172940, 198881, 216175, 397762, 432350, 795524, 864700, 994405, 1988810, 3977620, 4972025, 9944050, 19888100]

約数ペア:

[(1, 19888100), (2, 9944050), (4, 4972025), (5, 3977620), (10, 1988810), (20, 994405), (23, 864700), (25, 795524), (46, 432350), (50, 397762), (92, 216175), (100, 198881), (115, 172940), (230, 86470), (460, 43235), (575, 34588), (1150, 17294), (2300, 8647)]