18459184

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1481}}^1$

素因数の和:1549

約数の個数: 40

約数和(自身を含む): 38591280

約数和(自身を除く): 20132096

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1481, 1558, 2962, 3116, 5924, 6232, 11848, 12464, 23696, 28139, 56278, 60721, 112556, 121442, 225112, 242884, 450224, 485768, 971536, 1153699, 2307398, 4614796, 9229592, 18459184]

約数ペア:

[(1, 18459184), (2, 9229592), (4, 4614796), (8, 2307398), (16, 1153699), (19, 971536), (38, 485768), (41, 450224), (76, 242884), (82, 225112), (152, 121442), (164, 112556), (304, 60721), (328, 56278), (656, 28139), (779, 23696), (1481, 12464), (1558, 11848), (2962, 6232), (3116, 5924)]