18563320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27299}}^1$

素因数の和:27327

約数の個数: 32

約数和(自身を含む): 44226000

約数和(自身を除く): 25662680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27299, 54598, 109196, 136495, 218392, 272990, 464083, 545980, 928166, 1091960, 1856332, 2320415, 3712664, 4640830, 9281660, 18563320]

約数ペア:

[(1, 18563320), (2, 9281660), (4, 4640830), (5, 3712664), (8, 2320415), (10, 1856332), (17, 1091960), (20, 928166), (34, 545980), (40, 464083), (68, 272990), (85, 218392), (136, 136495), (170, 109196), (340, 54598), (680, 27299)]