18778428

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{17987}}^1$

素因数の和:18026

約数の個数: 36

約数和(自身を含む): 49107240

約数和(自身を除く): 30328812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 17987, 35974, 53961, 71948, 107922, 161883, 215844, 323766, 521623, 647532, 1043246, 1564869, 2086492, 3129738, 4694607, 6259476, 9389214, 18778428]

約数ペア:

[(1, 18778428), (2, 9389214), (3, 6259476), (4, 4694607), (6, 3129738), (9, 2086492), (12, 1564869), (18, 1043246), (29, 647532), (36, 521623), (58, 323766), (87, 215844), (116, 161883), (174, 107922), (261, 71948), (348, 53961), (522, 35974), (1044, 17987)]