18926869

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 22296120

約数和(自身を除く): 3369251

約数列:

[1, 13, 19, 37, 109, 247, 361, 481, 703, 1417, 2071, 4033, 4693, 9139, 13357, 26923, 39349, 52429, 76627, 173641, 511537, 996151, 1455913, 18926869]

約数ペア:

[(1, 18926869), (13, 1455913), (19, 996151), (37, 511537), (109, 173641), (247, 76627), (361, 52429), (481, 39349), (703, 26923), (1417, 13357), (2071, 9139), (4033, 4693)]