18340528

素因数分解:

$2^4\times {\mathrm{29}}^3\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 40

約数和(自身を含む): 37586880

約数和(自身を除く): 19246352

約数列:

[1, 2, 4, 8, 16, 29, 47, 58, 94, 116, 188, 232, 376, 464, 752, 841, 1363, 1682, 2726, 3364, 5452, 6728, 10904, 13456, 21808, 24389, 39527, 48778, 79054, 97556, 158108, 195112, 316216, 390224, 632432, 1146283, 2292566, 4585132, 9170264, 18340528]

約数ペア:

[(1, 18340528), (2, 9170264), (4, 4585132), (8, 2292566), (16, 1146283), (29, 632432), (47, 390224), (58, 316216), (94, 195112), (116, 158108), (188, 97556), (232, 79054), (376, 48778), (464, 39527), (752, 24389), (841, 21808), (1363, 13456), (1682, 10904), (2726, 6728), (3364, 5452)]