18220552

素因数分解:

$2^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 40537260

約数和(自身を除く): 22316708

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 196, 212, 371, 392, 424, 742, 877, 1484, 1754, 2597, 2968, 3508, 5194, 6139, 7016, 10388, 12278, 20776, 24556, 42973, 46481, 49112, 85946, 92962, 171892, 185924, 325367, 343784, 371848, 650734, 1301468, 2277569, 2602936, 4555138, 9110276, 18220552]

約数ペア:

[(1, 18220552), (2, 9110276), (4, 4555138), (7, 2602936), (8, 2277569), (14, 1301468), (28, 650734), (49, 371848), (53, 343784), (56, 325367), (98, 185924), (106, 171892), (196, 92962), (212, 85946), (371, 49112), (392, 46481), (424, 42973), (742, 24556), (877, 20776), (1484, 12278), (1754, 10388), (2597, 7016), (2968, 6139), (3508, 5194)]