16840574

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 28512000

約数和(自身を除く): 11671426

約数列:

[1, 2, 17, 19, 34, 38, 131, 199, 262, 323, 398, 646, 2227, 2489, 3383, 3781, 4454, 4978, 6766, 7562, 26069, 42313, 52138, 64277, 84626, 128554, 443173, 495311, 886346, 990622, 8420287, 16840574]

約数ペア:

[(1, 16840574), (2, 8420287), (17, 990622), (19, 886346), (34, 495311), (38, 443173), (131, 128554), (199, 84626), (262, 64277), (323, 52138), (398, 42313), (646, 26069), (2227, 7562), (2489, 6766), (3383, 4978), (3781, 4454)]