18722744

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 35910000

約数和(自身を除く): 17187256

約数列:

[1, 2, 4, 8, 113, 139, 149, 226, 278, 298, 452, 556, 596, 904, 1112, 1192, 15707, 16837, 20711, 31414, 33674, 41422, 62828, 67348, 82844, 125656, 134696, 165688, 2340343, 4680686, 9361372, 18722744]

約数ペア:

[(1, 18722744), (2, 9361372), (4, 4680686), (8, 2340343), (113, 165688), (139, 134696), (149, 125656), (226, 82844), (278, 67348), (298, 62828), (452, 41422), (556, 33674), (596, 31414), (904, 20711), (1112, 16837), (1192, 15707)]