18183750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:411

約数の個数: 80

約数和(自身を含む): 49071792

約数和(自身を除く): 30888042

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 373, 375, 390, 625, 650, 746, 750, 975, 1119, 1250, 1625, 1865, 1875, 1950, 2238, 3250, 3730, 3750, 4849, 4875, 5595, 8125, 9325, 9698, 9750, 11190, 14547, 16250, 18650, 24245, 24375, 27975, 29094, 46625, 48490, 48750, 55950, 72735, 93250, 121225, 139875, 145470, 233125, 242450, 279750, 363675, 466250, 606125, 699375, 727350, 1212250, 1398750, 1818375, 3030625, 3636750, 6061250, 9091875, 18183750]

約数ペア:

[(1, 18183750), (2, 9091875), (3, 6061250), (5, 3636750), (6, 3030625), (10, 1818375), (13, 1398750), (15, 1212250), (25, 727350), (26, 699375), (30, 606125), (39, 466250), (50, 363675), (65, 279750), (75, 242450), (78, 233125), (125, 145470), (130, 139875), (150, 121225), (195, 93250), (250, 72735), (325, 55950), (373, 48750), (375, 48490), (390, 46625), (625, 29094), (650, 27975), (746, 24375), (750, 24245), (975, 18650), (1119, 16250), (1250, 14547), (1625, 11190), (1865, 9750), (1875, 9698), (1950, 9325), (2238, 8125), (3250, 5595), (3730, 4875), (3750, 4849)]