18216988

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1619}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 33339600

約数和(自身を除く): 15122612

約数列:

[1, 2, 4, 29, 58, 97, 116, 194, 388, 1619, 2813, 3238, 5626, 6476, 11252, 46951, 93902, 157043, 187804, 314086, 628172, 4554247, 9108494, 18216988]

約数ペア:

[(1, 18216988), (2, 9108494), (4, 4554247), (29, 628172), (58, 314086), (97, 187804), (116, 157043), (194, 93902), (388, 46951), (1619, 11252), (2813, 6476), (3238, 5626)]