18881910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23311}}^1$

素因数の和:23330

約数の個数: 40

約数和(自身を含む): 50773536

約数和(自身を除く): 31891626

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 23311, 46622, 69933, 116555, 139866, 209799, 233110, 349665, 419598, 629397, 699330, 1048995, 1258794, 1888191, 2097990, 3146985, 3776382, 6293970, 9440955, 18881910]

約数ペア:

[(1, 18881910), (2, 9440955), (3, 6293970), (5, 3776382), (6, 3146985), (9, 2097990), (10, 1888191), (15, 1258794), (18, 1048995), (27, 699330), (30, 629397), (45, 419598), (54, 349665), (81, 233110), (90, 209799), (135, 139866), (162, 116555), (270, 69933), (405, 46622), (810, 23311)]