19887456

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{9007}}^1$

素因数の和:9043

約数の個数: 48

約数和(自身を含む): 54480384

約数和(自身を除く): 34592928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 552, 736, 1104, 2208, 9007, 18014, 27021, 36028, 54042, 72056, 108084, 144112, 207161, 216168, 288224, 414322, 432336, 621483, 828644, 864672, 1242966, 1657288, 2485932, 3314576, 4971864, 6629152, 9943728, 19887456]

約数ペア:

[(1, 19887456), (2, 9943728), (3, 6629152), (4, 4971864), (6, 3314576), (8, 2485932), (12, 1657288), (16, 1242966), (23, 864672), (24, 828644), (32, 621483), (46, 432336), (48, 414322), (69, 288224), (92, 216168), (96, 207161), (138, 144112), (184, 108084), (276, 72056), (368, 54042), (552, 36028), (736, 27021), (1104, 18014), (2208, 9007)]