18980128

素因数分解:

$2^5\times {\mathrm{449}}^1\times {\mathrm{1321}}^1$

素因数の和:1780

約数の個数: 24

約数和(自身を含む): 37478700

約数和(自身を除く): 18498572

約数列:

[1, 2, 4, 8, 16, 32, 449, 898, 1321, 1796, 2642, 3592, 5284, 7184, 10568, 14368, 21136, 42272, 593129, 1186258, 2372516, 4745032, 9490064, 18980128]

約数ペア:

[(1, 18980128), (2, 9490064), (4, 4745032), (8, 2372516), (16, 1186258), (32, 593129), (449, 42272), (898, 21136), (1321, 14368), (1796, 10568), (2642, 7184), (3592, 5284)]