19171984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{92173}}^1$

素因数の和:92194

約数の個数: 20

約数和(自身を含む): 40003516

約数和(自身を除く): 20831532

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 92173, 184346, 368692, 737384, 1198249, 1474768, 2396498, 4792996, 9585992, 19171984]

約数ペア:

[(1, 19171984), (2, 9585992), (4, 4792996), (8, 2396498), (13, 1474768), (16, 1198249), (26, 737384), (52, 368692), (104, 184346), (208, 92173)]