18858888

素因数分解:

$2^3\times 3^2\times {\mathrm{103}}^1\times {\mathrm{2543}}^1$

素因数の和:2658

約数の個数: 48

約数和(自身を含む): 51592320

約数和(自身を除く): 32733432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 103, 206, 309, 412, 618, 824, 927, 1236, 1854, 2472, 2543, 3708, 5086, 7416, 7629, 10172, 15258, 20344, 22887, 30516, 45774, 61032, 91548, 183096, 261929, 523858, 785787, 1047716, 1571574, 2095432, 2357361, 3143148, 4714722, 6286296, 9429444, 18858888]

約数ペア:

[(1, 18858888), (2, 9429444), (3, 6286296), (4, 4714722), (6, 3143148), (8, 2357361), (9, 2095432), (12, 1571574), (18, 1047716), (24, 785787), (36, 523858), (72, 261929), (103, 183096), (206, 91548), (309, 61032), (412, 45774), (618, 30516), (824, 22887), (927, 20344), (1236, 15258), (1854, 10172), (2472, 7629), (2543, 7416), (3708, 5086)]