18192520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11093}}^1$

素因数の和:11145

約数の個数: 32

約数和(自身を含む): 41935320

約数和(自身を除く): 23742800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11093, 22186, 44372, 55465, 88744, 110930, 221860, 443720, 454813, 909626, 1819252, 2274065, 3638504, 4548130, 9096260, 18192520]

約数ペア:

[(1, 18192520), (2, 9096260), (4, 4548130), (5, 3638504), (8, 2274065), (10, 1819252), (20, 909626), (40, 454813), (41, 443720), (82, 221860), (164, 110930), (205, 88744), (328, 55465), (410, 44372), (820, 22186), (1640, 11093)]