18263120

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1367}}^1$

素因数の和:1547

約数の個数: 40

約数和(自身を含む): 42747264

約数和(自身を除く): 24484144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1367, 1670, 2672, 2734, 3340, 5468, 6680, 6835, 10936, 13360, 13670, 21872, 27340, 54680, 109360, 228289, 456578, 913156, 1141445, 1826312, 2282890, 3652624, 4565780, 9131560, 18263120]

約数ペア:

[(1, 18263120), (2, 9131560), (4, 4565780), (5, 3652624), (8, 2282890), (10, 1826312), (16, 1141445), (20, 913156), (40, 456578), (80, 228289), (167, 109360), (334, 54680), (668, 27340), (835, 21872), (1336, 13670), (1367, 13360), (1670, 10936), (2672, 6835), (2734, 6680), (3340, 5468)]