18931875

素因数分解:

$3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:485

約数の個数: 40

約数和(自身を含む): 32989440

約数和(自身を除く): 14057565

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 439, 575, 625, 1317, 1725, 1875, 2195, 2875, 6585, 8625, 10097, 10975, 14375, 30291, 32925, 43125, 50485, 54875, 151455, 164625, 252425, 274375, 757275, 823125, 1262125, 3786375, 6310625, 18931875]

約数ペア:

[(1, 18931875), (3, 6310625), (5, 3786375), (15, 1262125), (23, 823125), (25, 757275), (69, 274375), (75, 252425), (115, 164625), (125, 151455), (345, 54875), (375, 50485), (439, 43125), (575, 32925), (625, 30291), (1317, 14375), (1725, 10975), (1875, 10097), (2195, 8625), (2875, 6585)]