18257680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32603}}^1$

素因数の和:32623

約数の個数: 40

約数和(自身を含む): 48514752

約数和(自身を除く): 30257072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32603, 65206, 130412, 163015, 228221, 260824, 326030, 456442, 521648, 652060, 912884, 1141105, 1304120, 1825768, 2282210, 2608240, 3651536, 4564420, 9128840, 18257680]

約数ペア:

[(1, 18257680), (2, 9128840), (4, 4564420), (5, 3651536), (7, 2608240), (8, 2282210), (10, 1825768), (14, 1304120), (16, 1141105), (20, 912884), (28, 652060), (35, 521648), (40, 456442), (56, 326030), (70, 260824), (80, 228221), (112, 163015), (140, 130412), (280, 65206), (560, 32603)]