19787508

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42281}}^1$

素因数の和:42304

約数の個数: 36

約数和(自身を含む): 53867268

約数和(自身を除く): 34079760

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42281, 84562, 126843, 169124, 253686, 380529, 507372, 549653, 761058, 1099306, 1522116, 1648959, 2198612, 3297918, 4946877, 6595836, 9893754, 19787508]

約数ペア:

[(1, 19787508), (2, 9893754), (3, 6595836), (4, 4946877), (6, 3297918), (9, 2198612), (12, 1648959), (13, 1522116), (18, 1099306), (26, 761058), (36, 549653), (39, 507372), (52, 380529), (78, 253686), (117, 169124), (156, 126843), (234, 84562), (468, 42281)]