18932284

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1873}}^1$

素因数の和:1922

約数の個数: 36

約数和(自身を含む): 39983664

約数和(自身を除く): 21051380

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 1873, 2527, 3746, 5054, 7492, 10108, 13111, 26222, 35587, 52444, 71174, 142348, 249109, 498218, 676153, 996436, 1352306, 2704612, 4733071, 9466142, 18932284]

約数ペア:

[(1, 18932284), (2, 9466142), (4, 4733071), (7, 2704612), (14, 1352306), (19, 996436), (28, 676153), (38, 498218), (76, 249109), (133, 142348), (266, 71174), (361, 52444), (532, 35587), (722, 26222), (1444, 13111), (1873, 10108), (2527, 7492), (3746, 5054)]