19809738

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{28219}}^1$

素因数の和:28243

約数の個数: 32

約数和(自身を含む): 47409600

約数和(自身を除く): 27599862

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 28219, 56438, 84657, 169314, 253971, 366847, 507942, 733694, 761913, 1100541, 1523826, 2201082, 3301623, 6603246, 9904869, 19809738]

約数ペア:

[(1, 19809738), (2, 9904869), (3, 6603246), (6, 3301623), (9, 2201082), (13, 1523826), (18, 1100541), (26, 761913), (27, 733694), (39, 507942), (54, 366847), (78, 253971), (117, 169314), (234, 84657), (351, 56438), (702, 28219)]