19970236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{34913}}^1$

素因数の和:34941

約数の個数: 24

約数和(自身を含む): 41058864

約数和(自身を除く): 21088628

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 34913, 69826, 139652, 384043, 453869, 768086, 907738, 1536172, 1815476, 4992559, 9985118, 19970236]

約数ペア:

[(1, 19970236), (2, 9985118), (4, 4992559), (11, 1815476), (13, 1536172), (22, 907738), (26, 768086), (44, 453869), (52, 384043), (143, 139652), (286, 69826), (572, 34913)]