18228750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{4861}}^1$

素因数の和:4886

約数の個数: 40

約数和(自身を含む): 45566664

約数和(自身を除く): 27337914

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 4861, 9722, 14583, 24305, 29166, 48610, 72915, 121525, 145830, 243050, 364575, 607625, 729150, 1215250, 1822875, 3038125, 3645750, 6076250, 9114375, 18228750]

約数ペア:

[(1, 18228750), (2, 9114375), (3, 6076250), (5, 3645750), (6, 3038125), (10, 1822875), (15, 1215250), (25, 729150), (30, 607625), (50, 364575), (75, 243050), (125, 145830), (150, 121525), (250, 72915), (375, 48610), (625, 29166), (750, 24305), (1250, 14583), (1875, 9722), (3750, 4861)]