18003990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8221}}^1$

素因数の和:8304

約数の個数: 32

約数和(自身を含む): 43806816

約数和(自身を除く): 25802826

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 8221, 16442, 24663, 41105, 49326, 82210, 123315, 246630, 600133, 1200266, 1800399, 3000665, 3600798, 6001330, 9001995, 18003990]

約数ペア:

[(1, 18003990), (2, 9001995), (3, 6001330), (5, 3600798), (6, 3000665), (10, 1800399), (15, 1200266), (30, 600133), (73, 246630), (146, 123315), (219, 82210), (365, 49326), (438, 41105), (730, 24663), (1095, 16442), (2190, 8221)]