19640631664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5051}}^1\times {\mathrm{12791}}^1$

素因数の和:17869

約数の個数: 40

約数和(自身を含む): 40067614080

約数和(自身を除く): 20426982416

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5051, 10102, 12791, 20204, 25582, 40408, 51164, 80816, 95969, 102328, 191938, 204656, 243029, 383876, 486058, 767752, 972116, 1535504, 1944232, 3888464, 64607341, 129214682, 258429364, 516858728, 1033717456, 1227539479, 2455078958, 4910157916, 9820315832, 19640631664]

約数ペア:

[(1, 19640631664), (2, 9820315832), (4, 4910157916), (8, 2455078958), (16, 1227539479), (19, 1033717456), (38, 516858728), (76, 258429364), (152, 129214682), (304, 64607341), (5051, 3888464), (10102, 1944232), (12791, 1535504), (20204, 972116), (25582, 767752), (40408, 486058), (51164, 383876), (80816, 243029), (95969, 204656), (102328, 191938)]