18612540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1951}}^1$

素因数の和:2019

約数の個数: 72

約数和(自身を含む): 57552768

約数和(自身を除く): 38940228

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, 1908, 1951, 2385, 3180, 3902, 4770, 5853, 7804, 9540, 9755, 11706, 17559, 19510, 23412, 29265, 35118, 39020, 58530, 70236, 87795, 103403, 117060, 175590, 206806, 310209, 351180, 413612, 517015, 620418, 930627, 1034030, 1240836, 1551045, 1861254, 2068060, 3102090, 3722508, 4653135, 6204180, 9306270, 18612540]

約数ペア:

[(1, 18612540), (2, 9306270), (3, 6204180), (4, 4653135), (5, 3722508), (6, 3102090), (9, 2068060), (10, 1861254), (12, 1551045), (15, 1240836), (18, 1034030), (20, 930627), (30, 620418), (36, 517015), (45, 413612), (53, 351180), (60, 310209), (90, 206806), (106, 175590), (159, 117060), (180, 103403), (212, 87795), (265, 70236), (318, 58530), (477, 39020), (530, 35118), (636, 29265), (795, 23412), (954, 19510), (1060, 17559), (1590, 11706), (1908, 9755), (1951, 9540), (2385, 7804), (3180, 5853), (3902, 4770)]