18990250

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2053}}^1$

素因数の和:2107

約数の個数: 32

約数和(自身を含む): 36528336

約数和(自身を除く): 17538086

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 2053, 4106, 4625, 9250, 10265, 20530, 51325, 75961, 102650, 151922, 256625, 379805, 513250, 759610, 1899025, 3798050, 9495125, 18990250]

約数ペア:

[(1, 18990250), (2, 9495125), (5, 3798050), (10, 1899025), (25, 759610), (37, 513250), (50, 379805), (74, 256625), (125, 151922), (185, 102650), (250, 75961), (370, 51325), (925, 20530), (1850, 10265), (2053, 9250), (4106, 4625)]