18799965

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{887}}^1$

素因数の和:1058

約数の個数: 32

約数和(自身を含む): 33672960

約数和(自身を除く): 14872995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 887, 1413, 2355, 2661, 4239, 4435, 7065, 7983, 13305, 21195, 23949, 39915, 119745, 139259, 417777, 696295, 1253331, 2088885, 3759993, 6266655, 18799965]

約数ペア:

[(1, 18799965), (3, 6266655), (5, 3759993), (9, 2088885), (15, 1253331), (27, 696295), (45, 417777), (135, 139259), (157, 119745), (471, 39915), (785, 23949), (887, 21195), (1413, 13305), (2355, 7983), (2661, 7065), (4239, 4435)]