18135500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 25893940

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 83, 92, 95, 100, 115, 125, 166, 190, 230, 250, 332, 380, 415, 437, 460, 475, 500, 575, 830, 874, 950, 1150, 1577, 1660, 1748, 1900, 1909, 2075, 2185, 2300, 2375, 2875, 3154, 3818, 4150, 4370, 4750, 5750, 6308, 7636, 7885, 8300, 8740, 9500, 9545, 10375, 10925, 11500, 15770, 19090, 20750, 21850, 31540, 36271, 38180, 39425, 41500, 43700, 47725, 54625, 72542, 78850, 95450, 109250, 145084, 157700, 181355, 190900, 197125, 218500, 238625, 362710, 394250, 477250, 725420, 788500, 906775, 954500, 1813550, 3627100, 4533875, 9067750, 18135500]

約数ペア:

[(1, 18135500), (2, 9067750), (4, 4533875), (5, 3627100), (10, 1813550), (19, 954500), (20, 906775), (23, 788500), (25, 725420), (38, 477250), (46, 394250), (50, 362710), (76, 238625), (83, 218500), (92, 197125), (95, 190900), (100, 181355), (115, 157700), (125, 145084), (166, 109250), (190, 95450), (230, 78850), (250, 72542), (332, 54625), (380, 47725), (415, 43700), (437, 41500), (460, 39425), (475, 38180), (500, 36271), (575, 31540), (830, 21850), (874, 20750), (950, 19090), (1150, 15770), (1577, 11500), (1660, 10925), (1748, 10375), (1900, 9545), (1909, 9500), (2075, 8740), (2185, 8300), (2300, 7885), (2375, 7636), (2875, 6308), (3154, 5750), (3818, 4750), (4150, 4370)]