17900128

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 37800000

約数和(自身を除く): 19899872

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 76, 118, 152, 236, 304, 472, 499, 608, 944, 998, 1121, 1888, 1996, 2242, 3992, 4484, 7984, 8968, 9481, 15968, 17936, 18962, 29441, 35872, 37924, 58882, 75848, 117764, 151696, 235528, 303392, 471056, 559379, 942112, 1118758, 2237516, 4475032, 8950064, 17900128]

約数ペア:

[(1, 17900128), (2, 8950064), (4, 4475032), (8, 2237516), (16, 1118758), (19, 942112), (32, 559379), (38, 471056), (59, 303392), (76, 235528), (118, 151696), (152, 117764), (236, 75848), (304, 58882), (472, 37924), (499, 35872), (608, 29441), (944, 18962), (998, 17936), (1121, 15968), (1888, 9481), (1996, 8968), (2242, 7984), (3992, 4484)]