19697872

素因数分解:

$2^4\times {\mathrm{463}}^1\times {\mathrm{2659}}^1$

素因数の和:3130

約数の個数: 20

約数和(自身を含む): 38261440

約数和(自身を除く): 18563568

約数列:

[1, 2, 4, 8, 16, 463, 926, 1852, 2659, 3704, 5318, 7408, 10636, 21272, 42544, 1231117, 2462234, 4924468, 9848936, 19697872]

約数ペア:

[(1, 19697872), (2, 9848936), (4, 4924468), (8, 2462234), (16, 1231117), (463, 42544), (926, 21272), (1852, 10636), (2659, 7408), (3704, 5318)]