18716948

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{509}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 34057800

約数和(自身を除く): 15340852

約数列:

[1, 2, 4, 29, 58, 116, 317, 509, 634, 1018, 1268, 2036, 9193, 14761, 18386, 29522, 36772, 59044, 161353, 322706, 645412, 4679237, 9358474, 18716948]

約数ペア:

[(1, 18716948), (2, 9358474), (4, 4679237), (29, 645412), (58, 322706), (116, 161353), (317, 59044), (509, 36772), (634, 29522), (1018, 18386), (1268, 14761), (2036, 9193)]