12131918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 20196000

約数和(自身を除く): 8064082

約数列:

[1, 2, 19, 29, 38, 58, 101, 109, 202, 218, 551, 1102, 1919, 2071, 2929, 3161, 3838, 4142, 5858, 6322, 11009, 22018, 55651, 60059, 111302, 120118, 209171, 319261, 418342, 638522, 6065959, 12131918]

約数ペア:

[(1, 12131918), (2, 6065959), (19, 638522), (29, 418342), (38, 319261), (58, 209171), (101, 120118), (109, 111302), (202, 60059), (218, 55651), (551, 22018), (1102, 11009), (1919, 6322), (2071, 5858), (2929, 4142), (3161, 3838)]