22178884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 49600320

約数和(自身を除く): 27421436

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 109, 169, 172, 182, 218, 301, 338, 364, 436, 559, 602, 676, 763, 1118, 1183, 1204, 1417, 1526, 2236, 2366, 2834, 3052, 3913, 4687, 4732, 5668, 7267, 7826, 9374, 9919, 14534, 15652, 18421, 18748, 19838, 29068, 32809, 36842, 39676, 50869, 60931, 65618, 73684, 101738, 121862, 128947, 131236, 203476, 243724, 257894, 426517, 515788, 792103, 853034, 1584206, 1706068, 3168412, 5544721, 11089442, 22178884]

約数ペア:

[(1, 22178884), (2, 11089442), (4, 5544721), (7, 3168412), (13, 1706068), (14, 1584206), (26, 853034), (28, 792103), (43, 515788), (52, 426517), (86, 257894), (91, 243724), (109, 203476), (169, 131236), (172, 128947), (182, 121862), (218, 101738), (301, 73684), (338, 65618), (364, 60931), (436, 50869), (559, 39676), (602, 36842), (676, 32809), (763, 29068), (1118, 19838), (1183, 18748), (1204, 18421), (1417, 15652), (1526, 14534), (2236, 9919), (2366, 9374), (2834, 7826), (3052, 7267), (3913, 5668), (4687, 4732)]