18309900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{8719}}^1$

素因数の和:8743

約数の個数: 72

約数和(自身を含む): 60551680

約数和(自身を除く): 42241780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 8719, 17438, 26157, 34876, 43595, 52314, 61033, 87190, 104628, 122066, 130785, 174380, 183099, 217975, 244132, 261570, 305165, 366198, 435950, 523140, 610330, 653925, 732396, 871900, 915495, 1220660, 1307850, 1525825, 1830990, 2615700, 3051650, 3661980, 4577475, 6103300, 9154950, 18309900]

約数ペア:

[(1, 18309900), (2, 9154950), (3, 6103300), (4, 4577475), (5, 3661980), (6, 3051650), (7, 2615700), (10, 1830990), (12, 1525825), (14, 1307850), (15, 1220660), (20, 915495), (21, 871900), (25, 732396), (28, 653925), (30, 610330), (35, 523140), (42, 435950), (50, 366198), (60, 305165), (70, 261570), (75, 244132), (84, 217975), (100, 183099), (105, 174380), (140, 130785), (150, 122066), (175, 104628), (210, 87190), (300, 61033), (350, 52314), (420, 43595), (525, 34876), (700, 26157), (1050, 17438), (2100, 8719)]