18454380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6277}}^1$

素因数の和:6303

約数の個数: 72

約数和(自身を含む): 60118128

約数和(自身を除く): 41663748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6277, 12554, 18831, 25108, 31385, 37662, 43939, 62770, 75324, 87878, 94155, 125540, 131817, 175756, 188310, 219695, 263634, 307573, 376620, 439390, 527268, 615146, 659085, 878780, 922719, 1230292, 1318170, 1537865, 1845438, 2636340, 3075730, 3690876, 4613595, 6151460, 9227190, 18454380]

約数ペア:

[(1, 18454380), (2, 9227190), (3, 6151460), (4, 4613595), (5, 3690876), (6, 3075730), (7, 2636340), (10, 1845438), (12, 1537865), (14, 1318170), (15, 1230292), (20, 922719), (21, 878780), (28, 659085), (30, 615146), (35, 527268), (42, 439390), (49, 376620), (60, 307573), (70, 263634), (84, 219695), (98, 188310), (105, 175756), (140, 131817), (147, 125540), (196, 94155), (210, 87878), (245, 75324), (294, 62770), (420, 43939), (490, 37662), (588, 31385), (735, 25108), (980, 18831), (1470, 12554), (2940, 6277)]