2018642745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{6701}}^1$

素因数の和:6886

約数の個数: 64

約数和(自身を含む): 3911823360

約数和(自身を除く): 1893180615

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 151, 285, 399, 453, 665, 755, 1057, 1995, 2265, 2869, 3171, 5285, 6701, 8607, 14345, 15855, 20083, 20103, 33505, 43035, 46907, 60249, 100415, 100515, 127319, 140721, 234535, 301245, 381957, 636595, 703605, 891233, 1011851, 1909785, 2673699, 3035553, 4456165, 5059255, 7082957, 13368495, 15177765, 19225169, 21248871, 35414785, 57675507, 96125845, 106244355, 134576183, 288377535, 403728549, 672880915, 2018642745]

約数ペア:

[(1, 2018642745), (3, 672880915), (5, 403728549), (7, 288377535), (15, 134576183), (19, 106244355), (21, 96125845), (35, 57675507), (57, 35414785), (95, 21248871), (105, 19225169), (133, 15177765), (151, 13368495), (285, 7082957), (399, 5059255), (453, 4456165), (665, 3035553), (755, 2673699), (1057, 1909785), (1995, 1011851), (2265, 891233), (2869, 703605), (3171, 636595), (5285, 381957), (6701, 301245), (8607, 234535), (14345, 140721), (15855, 127319), (20083, 100515), (20103, 100415), (33505, 60249), (43035, 46907)]