18501496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4339}}^1$

素因数の和:4399

約数の個数: 32

約数和(自身を含む): 38278800

約数和(自身を除く): 19777304

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4339, 8678, 17356, 34712, 56407, 112814, 177899, 225628, 355798, 451256, 711596, 1423192, 2312687, 4625374, 9250748, 18501496]

約数ペア:

[(1, 18501496), (2, 9250748), (4, 4625374), (8, 2312687), (13, 1423192), (26, 711596), (41, 451256), (52, 355798), (82, 225628), (104, 177899), (164, 112814), (328, 56407), (533, 34712), (1066, 17356), (2132, 8678), (4264, 4339)]