18888454

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 33203520

約数和(自身を除く): 14315066

約数列:

[1, 2, 13, 26, 29, 41, 47, 58, 82, 94, 169, 338, 377, 533, 611, 754, 1066, 1189, 1222, 1363, 1927, 2378, 2726, 3854, 4901, 6929, 7943, 9802, 13858, 15457, 15886, 17719, 25051, 30914, 35438, 50102, 55883, 111766, 200941, 230347, 325663, 401882, 460694, 651326, 726479, 1452958, 9444227, 18888454]

約数ペア:

[(1, 18888454), (2, 9444227), (13, 1452958), (26, 726479), (29, 651326), (41, 460694), (47, 401882), (58, 325663), (82, 230347), (94, 200941), (169, 111766), (338, 55883), (377, 50102), (533, 35438), (611, 30914), (754, 25051), (1066, 17719), (1189, 15886), (1222, 15457), (1363, 13858), (1927, 9802), (2378, 7943), (2726, 6929), (3854, 4901)]