18310230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{523}}^1$

素因数の和:925

約数の個数: 48

約数和(自身を含む): 47820240

約数和(自身を除く): 29510010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 389, 523, 778, 1046, 1167, 1569, 1945, 2334, 2615, 3138, 3501, 3890, 4707, 5230, 5835, 7002, 7845, 9414, 11670, 15690, 17505, 23535, 35010, 47070, 203447, 406894, 610341, 1017235, 1220682, 1831023, 2034470, 3051705, 3662046, 6103410, 9155115, 18310230]

約数ペア:

[(1, 18310230), (2, 9155115), (3, 6103410), (5, 3662046), (6, 3051705), (9, 2034470), (10, 1831023), (15, 1220682), (18, 1017235), (30, 610341), (45, 406894), (90, 203447), (389, 47070), (523, 35010), (778, 23535), (1046, 17505), (1167, 15690), (1569, 11670), (1945, 9414), (2334, 7845), (2615, 7002), (3138, 5835), (3501, 5230), (3890, 4707)]