989294812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{11489}}^1$

素因数の和:11626

約数の個数: 48

約数和(自身を含む): 2007532800

約数和(自身を除く): 1018237988

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 103, 206, 209, 412, 418, 836, 1133, 1957, 2266, 3914, 4532, 7828, 11489, 21527, 22978, 43054, 45956, 86108, 126379, 218291, 252758, 436582, 505516, 873164, 1183367, 2366734, 2401201, 4733468, 4802402, 9604804, 13017037, 22483973, 26034074, 44967946, 52068148, 89935892, 247323703, 494647406, 989294812]

約数ペア:

[(1, 989294812), (2, 494647406), (4, 247323703), (11, 89935892), (19, 52068148), (22, 44967946), (38, 26034074), (44, 22483973), (76, 13017037), (103, 9604804), (206, 4802402), (209, 4733468), (412, 2401201), (418, 2366734), (836, 1183367), (1133, 873164), (1957, 505516), (2266, 436582), (3914, 252758), (4532, 218291), (7828, 126379), (11489, 86108), (21527, 45956), (22978, 43054)]