18718024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{179981}}^1$

素因数の和:180000

約数の個数: 16

約数和(自身を含む): 37796220

約数和(自身を除く): 19078196

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 179981, 359962, 719924, 1439848, 2339753, 4679506, 9359012, 18718024]

約数ペア:

[(1, 18718024), (2, 9359012), (4, 4679506), (8, 2339753), (13, 1439848), (26, 719924), (52, 359962), (104, 179981)]