18135540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1901}}^1$

素因数の和:1969

約数の個数: 72

約数和(自身を含む): 56078568

約数和(自身を除く): 37943028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1901, 1908, 2385, 3180, 3802, 4770, 5703, 7604, 9505, 9540, 11406, 17109, 19010, 22812, 28515, 34218, 38020, 57030, 68436, 85545, 100753, 114060, 171090, 201506, 302259, 342180, 403012, 503765, 604518, 906777, 1007530, 1209036, 1511295, 1813554, 2015060, 3022590, 3627108, 4533885, 6045180, 9067770, 18135540]

約数ペア:

[(1, 18135540), (2, 9067770), (3, 6045180), (4, 4533885), (5, 3627108), (6, 3022590), (9, 2015060), (10, 1813554), (12, 1511295), (15, 1209036), (18, 1007530), (20, 906777), (30, 604518), (36, 503765), (45, 403012), (53, 342180), (60, 302259), (90, 201506), (106, 171090), (159, 114060), (180, 100753), (212, 85545), (265, 68436), (318, 57030), (477, 38020), (530, 34218), (636, 28515), (795, 22812), (954, 19010), (1060, 17109), (1590, 11406), (1901, 9540), (1908, 9505), (2385, 7604), (3180, 5703), (3802, 4770)]