19551540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8807}}^1$

素因数の和:8856

約数の個数: 48

約数和(自身を含む): 56230272

約数和(自身を除く): 36678732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8807, 17614, 26421, 35228, 44035, 52842, 88070, 105684, 132105, 176140, 264210, 325859, 528420, 651718, 977577, 1303436, 1629295, 1955154, 3258590, 3910308, 4887885, 6517180, 9775770, 19551540]

約数ペア:

[(1, 19551540), (2, 9775770), (3, 6517180), (4, 4887885), (5, 3910308), (6, 3258590), (10, 1955154), (12, 1629295), (15, 1303436), (20, 977577), (30, 651718), (37, 528420), (60, 325859), (74, 264210), (111, 176140), (148, 132105), (185, 105684), (222, 88070), (370, 52842), (444, 44035), (555, 35228), (740, 26421), (1110, 17614), (2220, 8807)]