18390386

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 16083214

約数列:

[1, 2, 7, 14, 23, 41, 46, 49, 82, 98, 161, 199, 287, 322, 398, 574, 943, 1127, 1393, 1886, 2009, 2254, 2786, 4018, 4577, 6601, 8159, 9154, 9751, 13202, 16318, 19502, 32039, 46207, 57113, 64078, 92414, 114226, 187657, 224273, 375314, 399791, 448546, 799582, 1313599, 2627198, 9195193, 18390386]

約数ペア:

[(1, 18390386), (2, 9195193), (7, 2627198), (14, 1313599), (23, 799582), (41, 448546), (46, 399791), (49, 375314), (82, 224273), (98, 187657), (161, 114226), (199, 92414), (287, 64078), (322, 57113), (398, 46207), (574, 32039), (943, 19502), (1127, 16318), (1393, 13202), (1886, 9751), (2009, 9154), (2254, 8159), (2786, 6601), (4018, 4577)]