18423818

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 15272182

約数列:

[1, 2, 7, 14, 17, 34, 119, 199, 238, 389, 398, 778, 1393, 2723, 2786, 3383, 5446, 6613, 6766, 13226, 23681, 46291, 47362, 77411, 92582, 154822, 541877, 1083754, 1315987, 2631974, 9211909, 18423818]

約数ペア:

[(1, 18423818), (2, 9211909), (7, 2631974), (14, 1315987), (17, 1083754), (34, 541877), (119, 154822), (199, 92582), (238, 77411), (389, 47362), (398, 46291), (778, 23681), (1393, 13226), (2723, 6766), (2786, 6613), (3383, 5446)]