19907384

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4283}}^1$

素因数の和:4379

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 23275336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4283, 4648, 8566, 17132, 29981, 34264, 59962, 119924, 239848, 355489, 710978, 1421956, 2488423, 2843912, 4976846, 9953692, 19907384]

約数ペア:

[(1, 19907384), (2, 9953692), (4, 4976846), (7, 2843912), (8, 2488423), (14, 1421956), (28, 710978), (56, 355489), (83, 239848), (166, 119924), (332, 59962), (581, 34264), (664, 29981), (1162, 17132), (2324, 8566), (4283, 4648)]