18091340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 40303872

約数和(自身を除く): 22212532

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 587, 670, 1174, 1340, 1541, 2348, 2935, 3082, 5870, 6164, 7705, 11740, 13501, 15410, 27002, 30820, 39329, 54004, 67505, 78658, 135010, 157316, 196645, 270020, 393290, 786580, 904567, 1809134, 3618268, 4522835, 9045670, 18091340]

約数ペア:

[(1, 18091340), (2, 9045670), (4, 4522835), (5, 3618268), (10, 1809134), (20, 904567), (23, 786580), (46, 393290), (67, 270020), (92, 196645), (115, 157316), (134, 135010), (230, 78658), (268, 67505), (335, 54004), (460, 39329), (587, 30820), (670, 27002), (1174, 15410), (1340, 13501), (1541, 11740), (2348, 7705), (2935, 6164), (3082, 5870)]