19886048

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6829}}^1$

素因数の和:6859

約数の個数: 48

約数和(自身を含む): 48192480

約数和(自身を除く): 28306432

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6829, 13658, 27316, 47803, 54632, 88777, 95606, 109264, 177554, 191212, 218528, 355108, 382424, 621439, 710216, 764848, 1242878, 1420432, 1529696, 2485756, 2840864, 4971512, 9943024, 19886048]

約数ペア:

[(1, 19886048), (2, 9943024), (4, 4971512), (7, 2840864), (8, 2485756), (13, 1529696), (14, 1420432), (16, 1242878), (26, 764848), (28, 710216), (32, 621439), (52, 382424), (56, 355108), (91, 218528), (104, 191212), (112, 177554), (182, 109264), (208, 95606), (224, 88777), (364, 54632), (416, 47803), (728, 27316), (1456, 13658), (2912, 6829)]