18931482

素因数分解:

$2^1\times 3^4\times {\mathrm{137}}^1\times {\mathrm{853}}^1$

素因数の和:1004

約数の個数: 40

約数和(自身を含む): 42780276

約数和(自身を除く): 23848794

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 137, 162, 274, 411, 822, 853, 1233, 1706, 2466, 2559, 3699, 5118, 7398, 7677, 11097, 15354, 22194, 23031, 46062, 69093, 116861, 138186, 233722, 350583, 701166, 1051749, 2103498, 3155247, 6310494, 9465741, 18931482]

約数ペア:

[(1, 18931482), (2, 9465741), (3, 6310494), (6, 3155247), (9, 2103498), (18, 1051749), (27, 701166), (54, 350583), (81, 233722), (137, 138186), (162, 116861), (274, 69093), (411, 46062), (822, 23031), (853, 22194), (1233, 15354), (1706, 11097), (2466, 7677), (2559, 7398), (3699, 5118)]