19975976013

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3167}}^1\times {\mathrm{9689}}^1$

素因数の和:12897

約数の個数: 32

約数和(自身を含む): 31434670080

約数和(自身を除く): 11458694067

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 3167, 9501, 9689, 22169, 29067, 66507, 67823, 98177, 203469, 294531, 300359, 687239, 901077, 2061717, 2102513, 6307539, 30685063, 92055189, 214795441, 644386323, 951236953, 2853710859, 6658658671, 19975976013]

約数ペア:

[(1, 19975976013), (3, 6658658671), (7, 2853710859), (21, 951236953), (31, 644386323), (93, 214795441), (217, 92055189), (651, 30685063), (3167, 6307539), (9501, 2102513), (9689, 2061717), (22169, 901077), (29067, 687239), (66507, 300359), (67823, 294531), (98177, 203469)]