18373520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20879}}^1$

素因数の和:20903

約数の個数: 40

約数和(自身を含む): 46604160

約数和(自身を除く): 28230640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20879, 41758, 83516, 104395, 167032, 208790, 229669, 334064, 417580, 459338, 835160, 918676, 1148345, 1670320, 1837352, 2296690, 3674704, 4593380, 9186760, 18373520]

約数ペア:

[(1, 18373520), (2, 9186760), (4, 4593380), (5, 3674704), (8, 2296690), (10, 1837352), (11, 1670320), (16, 1148345), (20, 918676), (22, 835160), (40, 459338), (44, 417580), (55, 334064), (80, 229669), (88, 208790), (110, 167032), (176, 104395), (220, 83516), (440, 41758), (880, 20879)]