19887372

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4217}}^1$

素因数の和:4358

約数の個数: 36

約数和(自身を含む): 50666616

約数和(自身を除く): 30779244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4217, 4716, 8434, 12651, 16868, 25302, 37953, 50604, 75906, 151812, 552427, 1104854, 1657281, 2209708, 3314562, 4971843, 6629124, 9943686, 19887372]

約数ペア:

[(1, 19887372), (2, 9943686), (3, 6629124), (4, 4971843), (6, 3314562), (9, 2209708), (12, 1657281), (18, 1104854), (36, 552427), (131, 151812), (262, 75906), (393, 50604), (524, 37953), (786, 25302), (1179, 16868), (1572, 12651), (2358, 8434), (4217, 4716)]