18161752

素因数分解:

$2^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{433}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 40075560

約数和(自身を除く): 21913808

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 107, 196, 214, 392, 428, 433, 749, 856, 866, 1498, 1732, 2996, 3031, 3464, 5243, 5992, 6062, 10486, 12124, 20972, 21217, 24248, 41944, 42434, 46331, 84868, 92662, 169736, 185324, 324317, 370648, 648634, 1297268, 2270219, 2594536, 4540438, 9080876, 18161752]

約数ペア:

[(1, 18161752), (2, 9080876), (4, 4540438), (7, 2594536), (8, 2270219), (14, 1297268), (28, 648634), (49, 370648), (56, 324317), (98, 185324), (107, 169736), (196, 92662), (214, 84868), (392, 46331), (428, 42434), (433, 41944), (749, 24248), (856, 21217), (866, 20972), (1498, 12124), (1732, 10486), (2996, 6062), (3031, 5992), (3464, 5243)]