18616173620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{489127}}^1$

素因数の和:489320

約数の個数: 48

約数和(自身を含む): 42894569088

約数和(自身を除く): 24278395468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1730, 1903, 3460, 3806, 7612, 9515, 19030, 38060, 489127, 978254, 1956508, 2445635, 4891270, 5380397, 9782540, 10760794, 21521588, 26901985, 53803970, 84618971, 107607940, 169237942, 338475884, 423094855, 846189710, 930808681, 1692379420, 1861617362, 3723234724, 4654043405, 9308086810, 18616173620]

約数ペア:

[(1, 18616173620), (2, 9308086810), (4, 4654043405), (5, 3723234724), (10, 1861617362), (11, 1692379420), (20, 930808681), (22, 846189710), (44, 423094855), (55, 338475884), (110, 169237942), (173, 107607940), (220, 84618971), (346, 53803970), (692, 26901985), (865, 21521588), (1730, 10760794), (1903, 9782540), (3460, 5380397), (3806, 4891270), (7612, 2445635), (9515, 1956508), (19030, 978254), (38060, 489127)]