9918950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 19887120

約数和(自身を除く): 9968170

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 53, 95, 106, 190, 197, 265, 394, 475, 530, 950, 985, 1007, 1325, 1970, 2014, 2650, 3743, 4925, 5035, 7486, 9850, 10070, 10441, 18715, 20882, 25175, 37430, 50350, 52205, 93575, 104410, 187150, 198379, 261025, 396758, 522050, 991895, 1983790, 4959475, 9918950]

約数ペア:

[(1, 9918950), (2, 4959475), (5, 1983790), (10, 991895), (19, 522050), (25, 396758), (38, 261025), (50, 198379), (53, 187150), (95, 104410), (106, 93575), (190, 52205), (197, 50350), (265, 37430), (394, 25175), (475, 20882), (530, 18715), (950, 10441), (985, 10070), (1007, 9850), (1325, 7486), (1970, 5035), (2014, 4925), (2650, 3743)]