19996236

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42727}}^1$

素因数の和:42750

約数の個数: 36

約数和(自身を含む): 54435472

約数和(自身を除く): 34439236

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42727, 85454, 128181, 170908, 256362, 384543, 512724, 555451, 769086, 1110902, 1538172, 1666353, 2221804, 3332706, 4999059, 6665412, 9998118, 19996236]

約数ペア:

[(1, 19996236), (2, 9998118), (3, 6665412), (4, 4999059), (6, 3332706), (9, 2221804), (12, 1666353), (13, 1538172), (18, 1110902), (26, 769086), (36, 555451), (39, 512724), (52, 384543), (78, 256362), (117, 170908), (156, 128181), (234, 85454), (468, 42727)]