19999707318

素因数分解:

$2^1\times 3^2\times {\mathrm{271}}^1\times {\mathrm{4099981}}^1$

素因数の和:4100260

約数の個数: 24

約数和(自身を含む): 43492609056

約数和(自身を除く): 23492901738

約数列:

[1, 2, 3, 6, 9, 18, 271, 542, 813, 1626, 2439, 4878, 4099981, 8199962, 12299943, 24599886, 36899829, 73799658, 1111094851, 2222189702, 3333284553, 6666569106, 9999853659, 19999707318]

約数ペア:

[(1, 19999707318), (2, 9999853659), (3, 6666569106), (6, 3333284553), (9, 2222189702), (18, 1111094851), (271, 73799658), (542, 36899829), (813, 24599886), (1626, 12299943), (2439, 8199962), (4878, 4099981)]