19669390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151303}}^1$

素因数の和:151323

約数の個数: 16

約数和(自身を含む): 38128608

約数和(自身を除く): 18459218

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151303, 302606, 756515, 1513030, 1966939, 3933878, 9834695, 19669390]

約数ペア:

[(1, 19669390), (2, 9834695), (5, 3933878), (10, 1966939), (13, 1513030), (26, 756515), (65, 302606), (130, 151303)]