19026440

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3631}}^1$

素因数の和:3773

約数の個数: 32

約数和(自身を含む): 43148160

約数和(自身を除く): 24121720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 3631, 5240, 7262, 14524, 18155, 29048, 36310, 72620, 145240, 475661, 951322, 1902644, 2378305, 3805288, 4756610, 9513220, 19026440]

約数ペア:

[(1, 19026440), (2, 9513220), (4, 4756610), (5, 3805288), (8, 2378305), (10, 1902644), (20, 951322), (40, 475661), (131, 145240), (262, 72620), (524, 36310), (655, 29048), (1048, 18155), (1310, 14524), (2620, 7262), (3631, 5240)]