18594540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5437}}^1$

素因数の和:5471

約数の個数: 72

約数和(自身を含む): 59382960

約数和(自身を除く): 40788420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5437, 10874, 16311, 21748, 27185, 32622, 48933, 54370, 65244, 81555, 97866, 103303, 108740, 163110, 195732, 206606, 244665, 309909, 326220, 413212, 489330, 516515, 619818, 929727, 978660, 1033030, 1239636, 1549545, 1859454, 2066060, 3099090, 3718908, 4648635, 6198180, 9297270, 18594540]

約数ペア:

[(1, 18594540), (2, 9297270), (3, 6198180), (4, 4648635), (5, 3718908), (6, 3099090), (9, 2066060), (10, 1859454), (12, 1549545), (15, 1239636), (18, 1033030), (19, 978660), (20, 929727), (30, 619818), (36, 516515), (38, 489330), (45, 413212), (57, 326220), (60, 309909), (76, 244665), (90, 206606), (95, 195732), (114, 163110), (171, 108740), (180, 103303), (190, 97866), (228, 81555), (285, 65244), (342, 54370), (380, 48933), (570, 32622), (684, 27185), (855, 21748), (1140, 16311), (1710, 10874), (3420, 5437)]