18735054

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24810546

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 71, 78, 102, 142, 199, 213, 221, 398, 426, 442, 597, 663, 923, 1194, 1207, 1326, 1846, 2414, 2587, 2769, 3383, 3621, 5174, 5538, 6766, 7242, 7761, 10149, 14129, 15522, 15691, 20298, 28258, 31382, 42387, 43979, 47073, 84774, 87958, 94146, 131937, 183677, 240193, 263874, 367354, 480386, 551031, 720579, 1102062, 1441158, 3122509, 6245018, 9367527, 18735054]

約数ペア:

[(1, 18735054), (2, 9367527), (3, 6245018), (6, 3122509), (13, 1441158), (17, 1102062), (26, 720579), (34, 551031), (39, 480386), (51, 367354), (71, 263874), (78, 240193), (102, 183677), (142, 131937), (199, 94146), (213, 87958), (221, 84774), (398, 47073), (426, 43979), (442, 42387), (597, 31382), (663, 28258), (923, 20298), (1194, 15691), (1207, 15522), (1326, 14129), (1846, 10149), (2414, 7761), (2587, 7242), (2769, 6766), (3383, 5538), (3621, 5174)]