19435000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:75

約数の個数: 120

約数和(自身を含む): 51452280

約数和(自身を除く): 32017280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 25, 26, 40, 46, 50, 52, 65, 92, 100, 104, 115, 125, 130, 169, 184, 200, 230, 250, 260, 299, 325, 338, 460, 500, 520, 575, 598, 625, 650, 676, 845, 920, 1000, 1150, 1196, 1250, 1300, 1352, 1495, 1625, 1690, 2300, 2392, 2500, 2600, 2875, 2990, 3250, 3380, 3887, 4225, 4600, 5000, 5750, 5980, 6500, 6760, 7475, 7774, 8125, 8450, 11500, 11960, 13000, 14375, 14950, 15548, 16250, 16900, 19435, 21125, 23000, 28750, 29900, 31096, 32500, 33800, 37375, 38870, 42250, 57500, 59800, 65000, 74750, 77740, 84500, 97175, 105625, 115000, 149500, 155480, 169000, 186875, 194350, 211250, 299000, 373750, 388700, 422500, 485875, 747500, 777400, 845000, 971750, 1495000, 1943500, 2429375, 3887000, 4858750, 9717500, 19435000]

約数ペア:

[(1, 19435000), (2, 9717500), (4, 4858750), (5, 3887000), (8, 2429375), (10, 1943500), (13, 1495000), (20, 971750), (23, 845000), (25, 777400), (26, 747500), (40, 485875), (46, 422500), (50, 388700), (52, 373750), (65, 299000), (92, 211250), (100, 194350), (104, 186875), (115, 169000), (125, 155480), (130, 149500), (169, 115000), (184, 105625), (200, 97175), (230, 84500), (250, 77740), (260, 74750), (299, 65000), (325, 59800), (338, 57500), (460, 42250), (500, 38870), (520, 37375), (575, 33800), (598, 32500), (625, 31096), (650, 29900), (676, 28750), (845, 23000), (920, 21125), (1000, 19435), (1150, 16900), (1196, 16250), (1250, 15548), (1300, 14950), (1352, 14375), (1495, 13000), (1625, 11960), (1690, 11500), (2300, 8450), (2392, 8125), (2500, 7774), (2600, 7475), (2875, 6760), (2990, 6500), (3250, 5980), (3380, 5750), (3887, 5000), (4225, 4600)]