19458088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{839}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 39513600

約数和(自身を除く): 20055512

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 223, 446, 839, 892, 1678, 1784, 2899, 3356, 5798, 6712, 10907, 11596, 21814, 23192, 43628, 87256, 187097, 374194, 748388, 1496776, 2432261, 4864522, 9729044, 19458088]

約数ペア:

[(1, 19458088), (2, 9729044), (4, 4864522), (8, 2432261), (13, 1496776), (26, 748388), (52, 374194), (104, 187097), (223, 87256), (446, 43628), (839, 23192), (892, 21814), (1678, 11596), (1784, 10907), (2899, 6712), (3356, 5798)]