18241136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 37720800

約数和(自身を除く): 19479664

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 199, 272, 337, 398, 674, 796, 1348, 1592, 2696, 3184, 3383, 5392, 5729, 6766, 11458, 13532, 22916, 27064, 45832, 54128, 67063, 91664, 134126, 268252, 536504, 1073008, 1140071, 2280142, 4560284, 9120568, 18241136]

約数ペア:

[(1, 18241136), (2, 9120568), (4, 4560284), (8, 2280142), (16, 1140071), (17, 1073008), (34, 536504), (68, 268252), (136, 134126), (199, 91664), (272, 67063), (337, 54128), (398, 45832), (674, 27064), (796, 22916), (1348, 13532), (1592, 11458), (2696, 6766), (3184, 5729), (3383, 5392)]