19915482

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 40891392

約数和(自身を除く): 20975910

約数列:

[1, 2, 3, 6, 67, 107, 134, 201, 214, 321, 402, 463, 642, 926, 1389, 2778, 7169, 14338, 21507, 31021, 43014, 49541, 62042, 93063, 99082, 148623, 186126, 297246, 3319247, 6638494, 9957741, 19915482]

約数ペア:

[(1, 19915482), (2, 9957741), (3, 6638494), (6, 3319247), (67, 297246), (107, 186126), (134, 148623), (201, 99082), (214, 93063), (321, 62042), (402, 49541), (463, 43014), (642, 31021), (926, 21507), (1389, 14338), (2778, 7169)]