19280872

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{1097}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 39198600

約数和(自身を除く): 19917728

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1097, 1352, 2194, 2197, 4388, 4394, 8776, 8788, 14261, 17576, 28522, 57044, 114088, 185393, 370786, 741572, 1483144, 2410109, 4820218, 9640436, 19280872]

約数ペア:

[(1, 19280872), (2, 9640436), (4, 4820218), (8, 2410109), (13, 1483144), (26, 741572), (52, 370786), (104, 185393), (169, 114088), (338, 57044), (676, 28522), (1097, 17576), (1352, 14261), (2194, 8788), (2197, 8776), (4388, 4394)]