18326480

素因数分解:

$2^4\times 5^1\times {\mathrm{229081}}^1$

素因数の和:229094

約数の個数: 20

約数和(自身を含む): 42609252

約数和(自身を除く): 24282772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229081, 458162, 916324, 1145405, 1832648, 2290810, 3665296, 4581620, 9163240, 18326480]

約数ペア:

[(1, 18326480), (2, 9163240), (4, 4581620), (5, 3665296), (8, 2290810), (10, 1832648), (16, 1145405), (20, 916324), (40, 458162), (80, 229081)]