19810336

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6803}}^1$

素因数の和:6833

約数の個数: 48

約数和(自身を含む): 48009024

約数和(自身を除く): 28198688

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, 6803, 13606, 27212, 47621, 54424, 88439, 95242, 108848, 176878, 190484, 217696, 353756, 380968, 619073, 707512, 761936, 1238146, 1415024, 1523872, 2476292, 2830048, 4952584, 9905168, 19810336]

約数ペア:

[(1, 19810336), (2, 9905168), (4, 4952584), (7, 2830048), (8, 2476292), (13, 1523872), (14, 1415024), (16, 1238146), (26, 761936), (28, 707512), (32, 619073), (52, 380968), (56, 353756), (91, 217696), (104, 190484), (112, 176878), (182, 108848), (208, 95242), (224, 88439), (364, 54424), (416, 47621), (728, 27212), (1456, 13606), (2912, 6803)]