19009744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{91393}}^1$

素因数の和:91414

約数の個数: 20

約数和(自身を含む): 39664996

約数和(自身を除く): 20655252

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 91393, 182786, 365572, 731144, 1188109, 1462288, 2376218, 4752436, 9504872, 19009744]

約数ペア:

[(1, 19009744), (2, 9504872), (4, 4752436), (8, 2376218), (13, 1462288), (16, 1188109), (26, 731144), (52, 365572), (104, 182786), (208, 91393)]