20180356

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5419}}^1$

素因数の和:5456

約数の個数: 36

約数和(自身を含む): 43251600

約数和(自身を除く): 23071244

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5419, 10838, 21676, 37933, 75866, 102961, 151732, 205922, 265531, 411844, 531062, 720727, 1062124, 1441454, 2882908, 5045089, 10090178, 20180356]

約数ペア:

[(1, 20180356), (2, 10090178), (4, 5045089), (7, 2882908), (14, 1441454), (19, 1062124), (28, 720727), (38, 531062), (49, 411844), (76, 265531), (98, 205922), (133, 151732), (196, 102961), (266, 75866), (532, 37933), (931, 21676), (1862, 10838), (3724, 5419)]