18811120

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2833}}^1$

素因数の和:2929

約数の個数: 40

約数和(自身を含む): 44278416

約数和(自身を除く): 25467296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 2833, 3320, 5666, 6640, 11332, 14165, 22664, 28330, 45328, 56660, 113320, 226640, 235139, 470278, 940556, 1175695, 1881112, 2351390, 3762224, 4702780, 9405560, 18811120]

約数ペア:

[(1, 18811120), (2, 9405560), (4, 4702780), (5, 3762224), (8, 2351390), (10, 1881112), (16, 1175695), (20, 940556), (40, 470278), (80, 235139), (83, 226640), (166, 113320), (332, 56660), (415, 45328), (664, 28330), (830, 22664), (1328, 14165), (1660, 11332), (2833, 6640), (3320, 5666)]