18259444

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 20044556

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 113, 116, 199, 203, 226, 398, 406, 452, 791, 796, 812, 1393, 1582, 2786, 3164, 3277, 5572, 5771, 6554, 11542, 13108, 22487, 22939, 23084, 40397, 44974, 45878, 80794, 89948, 91756, 157409, 161588, 314818, 629636, 652123, 1304246, 2608492, 4564861, 9129722, 18259444]

約数ペア:

[(1, 18259444), (2, 9129722), (4, 4564861), (7, 2608492), (14, 1304246), (28, 652123), (29, 629636), (58, 314818), (113, 161588), (116, 157409), (199, 91756), (203, 89948), (226, 80794), (398, 45878), (406, 44974), (452, 40397), (791, 23084), (796, 22939), (812, 22487), (1393, 13108), (1582, 11542), (2786, 6554), (3164, 5771), (3277, 5572)]