18864320

素因数分解:

$2^6\times 5^1\times {\mathrm{167}}^1\times {\mathrm{353}}^1$

素因数の和:537

約数の個数: 56

約数和(自身を含む): 45317664

約数和(自身を除く): 26453344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 167, 320, 334, 353, 668, 706, 835, 1336, 1412, 1670, 1765, 2672, 2824, 3340, 3530, 5344, 5648, 6680, 7060, 10688, 11296, 13360, 14120, 22592, 26720, 28240, 53440, 56480, 58951, 112960, 117902, 235804, 294755, 471608, 589510, 943216, 1179020, 1886432, 2358040, 3772864, 4716080, 9432160, 18864320]

約数ペア:

[(1, 18864320), (2, 9432160), (4, 4716080), (5, 3772864), (8, 2358040), (10, 1886432), (16, 1179020), (20, 943216), (32, 589510), (40, 471608), (64, 294755), (80, 235804), (160, 117902), (167, 112960), (320, 58951), (334, 56480), (353, 53440), (668, 28240), (706, 26720), (835, 22592), (1336, 14120), (1412, 13360), (1670, 11296), (1765, 10688), (2672, 7060), (2824, 6680), (3340, 5648), (3530, 5344)]