18984320

素因数分解:

$2^7\times 5^1\times {\mathrm{29663}}^1$

素因数の和:29682

約数の個数: 32

約数和(自身を含む): 45385920

約数和(自身を除く): 26401600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29663, 59326, 118652, 148315, 237304, 296630, 474608, 593260, 949216, 1186520, 1898432, 2373040, 3796864, 4746080, 9492160, 18984320]

約数ペア:

[(1, 18984320), (2, 9492160), (4, 4746080), (5, 3796864), (8, 2373040), (10, 1898432), (16, 1186520), (20, 949216), (32, 593260), (40, 474608), (64, 296630), (80, 237304), (128, 148315), (160, 118652), (320, 59326), (640, 29663)]