18863314

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 12471086

約数列:

[1, 2, 19, 31, 38, 62, 67, 134, 239, 478, 589, 1178, 1273, 2077, 2546, 4154, 4541, 7409, 9082, 14818, 16013, 32026, 39463, 78926, 140771, 281542, 304247, 496403, 608494, 992806, 9431657, 18863314]

約数ペア:

[(1, 18863314), (2, 9431657), (19, 992806), (31, 608494), (38, 496403), (62, 304247), (67, 281542), (134, 140771), (239, 78926), (478, 39463), (589, 32026), (1178, 16013), (1273, 14818), (2077, 9082), (2546, 7409), (4154, 4541)]