19117878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1871}}^1$

素因数の和:2020

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 22395594

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 1871, 3406, 3742, 5109, 5613, 10218, 11226, 24323, 48646, 72969, 145938, 245101, 490202, 735303, 1470606, 3186313, 6372626, 9558939, 19117878]

約数ペア:

[(1, 19117878), (2, 9558939), (3, 6372626), (6, 3186313), (13, 1470606), (26, 735303), (39, 490202), (78, 245101), (131, 145938), (262, 72969), (393, 48646), (786, 24323), (1703, 11226), (1871, 10218), (3406, 5613), (3742, 5109)]