18918969088

素因数分解:

$2^8\times {\mathrm{541}}^1\times {\mathrm{136603}}^1$

素因数の和:137160

約数の個数: 36

約数和(自身を含む): 37834117048

約数和(自身を除く): 18915147960

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 541, 1082, 2164, 4328, 8656, 17312, 34624, 69248, 136603, 138496, 273206, 546412, 1092824, 2185648, 4371296, 8742592, 17485184, 34970368, 73902223, 147804446, 295608892, 591217784, 1182435568, 2364871136, 4729742272, 9459484544, 18918969088]

約数ペア:

[(1, 18918969088), (2, 9459484544), (4, 4729742272), (8, 2364871136), (16, 1182435568), (32, 591217784), (64, 295608892), (128, 147804446), (256, 73902223), (541, 34970368), (1082, 17485184), (2164, 8742592), (4328, 4371296), (8656, 2185648), (17312, 1092824), (34624, 546412), (69248, 273206), (136603, 138496)]