18561008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68239}}^1$

素因数の和:68264

約数の個数: 20

約数和(自身を含む): 38077920

約数和(自身を除く): 19516912

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68239, 136478, 272956, 545912, 1091824, 1160063, 2320126, 4640252, 9280504, 18561008]

約数ペア:

[(1, 18561008), (2, 9280504), (4, 4640252), (8, 2320126), (16, 1160063), (17, 1091824), (34, 545912), (68, 272956), (136, 136478), (272, 68239)]