18926215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 29494080

約数和(自身を除く): 10567865

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 109, 121, 205, 287, 385, 451, 545, 605, 763, 847, 1199, 1435, 2255, 3157, 3815, 4235, 4469, 4961, 5995, 8393, 13189, 15785, 22345, 24805, 31283, 34727, 41965, 49159, 65945, 92323, 156415, 173635, 245795, 344113, 461615, 540749, 1720565, 2703745, 3785243, 18926215]

約数ペア:

[(1, 18926215), (5, 3785243), (7, 2703745), (11, 1720565), (35, 540749), (41, 461615), (55, 344113), (77, 245795), (109, 173635), (121, 156415), (205, 92323), (287, 65945), (385, 49159), (451, 41965), (545, 34727), (605, 31283), (763, 24805), (847, 22345), (1199, 15785), (1435, 13189), (2255, 8393), (3157, 5995), (3815, 4961), (4235, 4469)]