18880744

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{138829}}^1$

素因数の和:138852

約数の個数: 16

約数和(自身を含む): 37484100

約数和(自身を除く): 18603356

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 138829, 277658, 555316, 1110632, 2360093, 4720186, 9440372, 18880744]

約数ペア:

[(1, 18880744), (2, 9440372), (4, 4720186), (8, 2360093), (17, 1110632), (34, 555316), (68, 277658), (136, 138829)]