19929250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7247}}^1$

素因数の和:7275

約数の個数: 32

約数和(自身を含む): 40704768

約数和(自身を除く): 20775518

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7247, 14494, 36235, 72470, 79717, 159434, 181175, 362350, 398585, 797170, 905875, 1811750, 1992925, 3985850, 9964625, 19929250]

約数ペア:

[(1, 19929250), (2, 9964625), (5, 3985850), (10, 1992925), (11, 1811750), (22, 905875), (25, 797170), (50, 398585), (55, 362350), (110, 181175), (125, 159434), (250, 79717), (275, 72470), (550, 36235), (1375, 14494), (2750, 7247)]