18871258

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2143}}^1$

素因数の和:2206

約数の個数: 32

約数和(自身を含む): 35195904

約数和(自身を除く): 16324646

約数列:

[1, 2, 7, 14, 17, 34, 37, 74, 119, 238, 259, 518, 629, 1258, 2143, 4286, 4403, 8806, 15001, 30002, 36431, 72862, 79291, 158582, 255017, 510034, 555037, 1110074, 1347947, 2695894, 9435629, 18871258]

約数ペア:

[(1, 18871258), (2, 9435629), (7, 2695894), (14, 1347947), (17, 1110074), (34, 555037), (37, 510034), (74, 255017), (119, 158582), (238, 79291), (259, 72862), (518, 36431), (629, 30002), (1258, 15001), (2143, 8806), (4286, 4403)]