18578924

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1187}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 40981248

約数和(自身を除く): 22402324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 172, 182, 301, 364, 559, 602, 1118, 1187, 1204, 2236, 2374, 3913, 4748, 7826, 8309, 15431, 15652, 16618, 30862, 33236, 51041, 61724, 102082, 108017, 204164, 216034, 357287, 432068, 663533, 714574, 1327066, 1429148, 2654132, 4644731, 9289462, 18578924]

約数ペア:

[(1, 18578924), (2, 9289462), (4, 4644731), (7, 2654132), (13, 1429148), (14, 1327066), (26, 714574), (28, 663533), (43, 432068), (52, 357287), (86, 216034), (91, 204164), (172, 108017), (182, 102082), (301, 61724), (364, 51041), (559, 33236), (602, 30862), (1118, 16618), (1187, 15652), (1204, 15431), (2236, 8309), (2374, 7826), (3913, 4748)]