2018016904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{13397}}^1$

素因数の和:14413

約数の個数: 32

約数和(自身を含む): 3987244800

約数和(自身を除く): 1969227896

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 991, 1982, 3964, 7928, 13397, 18829, 26794, 37658, 53588, 75316, 107176, 150632, 254543, 509086, 1018172, 2036344, 13276427, 26552854, 53105708, 106211416, 252252113, 504504226, 1009008452, 2018016904]

約数ペア:

[(1, 2018016904), (2, 1009008452), (4, 504504226), (8, 252252113), (19, 106211416), (38, 53105708), (76, 26552854), (152, 13276427), (991, 2036344), (1982, 1018172), (3964, 509086), (7928, 254543), (13397, 150632), (18829, 107176), (26794, 75316), (37658, 53588)]