19912228

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5347}}^1$

素因数の和:5384

約数の個数: 36

約数和(自身を含む): 42677040

約数和(自身を除く): 22764812

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5347, 10694, 21388, 37429, 74858, 101593, 149716, 203186, 262003, 406372, 524006, 711151, 1048012, 1422302, 2844604, 4978057, 9956114, 19912228]

約数ペア:

[(1, 19912228), (2, 9956114), (4, 4978057), (7, 2844604), (14, 1422302), (19, 1048012), (28, 711151), (38, 524006), (49, 406372), (76, 262003), (98, 203186), (133, 149716), (196, 101593), (266, 74858), (532, 37429), (931, 21388), (1862, 10694), (3724, 5347)]