19869730

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 36661248

約数和(自身を除く): 16791518

約数列:

[1, 2, 5, 10, 101, 103, 191, 202, 206, 382, 505, 515, 955, 1010, 1030, 1910, 10403, 19291, 19673, 20806, 38582, 39346, 52015, 96455, 98365, 104030, 192910, 196730, 1986973, 3973946, 9934865, 19869730]

約数ペア:

[(1, 19869730), (2, 9934865), (5, 3973946), (10, 1986973), (101, 196730), (103, 192910), (191, 104030), (202, 98365), (206, 96455), (382, 52015), (505, 39346), (515, 38582), (955, 20806), (1010, 19673), (1030, 19291), (1910, 10403)]