18273780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14503}}^1$

素因数の和:14525

約数の個数: 72

約数和(自身を含む): 63353472

約数和(自身を除く): 45079692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14503, 29006, 43509, 58012, 72515, 87018, 101521, 130527, 145030, 174036, 203042, 217545, 261054, 290060, 304563, 406084, 435090, 507605, 522108, 609126, 652635, 870180, 913689, 1015210, 1218252, 1305270, 1522815, 1827378, 2030420, 2610540, 3045630, 3654756, 4568445, 6091260, 9136890, 18273780]

約数ペア:

[(1, 18273780), (2, 9136890), (3, 6091260), (4, 4568445), (5, 3654756), (6, 3045630), (7, 2610540), (9, 2030420), (10, 1827378), (12, 1522815), (14, 1305270), (15, 1218252), (18, 1015210), (20, 913689), (21, 870180), (28, 652635), (30, 609126), (35, 522108), (36, 507605), (42, 435090), (45, 406084), (60, 304563), (63, 290060), (70, 261054), (84, 217545), (90, 203042), (105, 174036), (126, 145030), (140, 130527), (180, 101521), (210, 87018), (252, 72515), (315, 58012), (420, 43509), (630, 29006), (1260, 14503)]