17982180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{99901}}^1$

素因数の和:99916

約数の個数: 36

約数和(自身を含む): 54546492

約数和(自身を除く): 36564312

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 99901, 199802, 299703, 399604, 499505, 599406, 899109, 999010, 1198812, 1498515, 1798218, 1998020, 2997030, 3596436, 4495545, 5994060, 8991090, 17982180]

約数ペア:

[(1, 17982180), (2, 8991090), (3, 5994060), (4, 4495545), (5, 3596436), (6, 2997030), (9, 1998020), (10, 1798218), (12, 1498515), (15, 1198812), (18, 999010), (20, 899109), (30, 599406), (36, 499505), (45, 399604), (60, 299703), (90, 199802), (180, 99901)]