18918750

素因数分解:

$2^1\times 3^1\times 5^5\times {\mathrm{1009}}^1$

素因数の和:1039

約数の個数: 48

約数和(自身を含む): 47340720

約数和(自身を除く): 28421970

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1009, 1250, 1875, 2018, 3027, 3125, 3750, 5045, 6054, 6250, 9375, 10090, 15135, 18750, 25225, 30270, 50450, 75675, 126125, 151350, 252250, 378375, 630625, 756750, 1261250, 1891875, 3153125, 3783750, 6306250, 9459375, 18918750]

約数ペア:

[(1, 18918750), (2, 9459375), (3, 6306250), (5, 3783750), (6, 3153125), (10, 1891875), (15, 1261250), (25, 756750), (30, 630625), (50, 378375), (75, 252250), (125, 151350), (150, 126125), (250, 75675), (375, 50450), (625, 30270), (750, 25225), (1009, 18750), (1250, 15135), (1875, 10090), (2018, 9375), (3027, 6250), (3125, 6054), (3750, 5045)]