19835264

素因数分解:

$2^7\times {\mathrm{241}}^1\times {\mathrm{643}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 39741240

約数和(自身を除く): 19905976

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 241, 482, 643, 964, 1286, 1928, 2572, 3856, 5144, 7712, 10288, 15424, 20576, 30848, 41152, 82304, 154963, 309926, 619852, 1239704, 2479408, 4958816, 9917632, 19835264]

約数ペア:

[(1, 19835264), (2, 9917632), (4, 4958816), (8, 2479408), (16, 1239704), (32, 619852), (64, 309926), (128, 154963), (241, 82304), (482, 41152), (643, 30848), (964, 20576), (1286, 15424), (1928, 10288), (2572, 7712), (3856, 5144)]