19952541

素因数分解:

$3^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{461}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 34003200

約数和(自身を除く): 14050659

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 229, 461, 687, 1383, 1603, 2061, 3227, 4149, 4809, 6183, 9681, 12447, 14427, 29043, 43281, 87129, 105569, 316707, 738983, 950121, 2216949, 2850363, 6650847, 19952541]

約数ペア:

[(1, 19952541), (3, 6650847), (7, 2850363), (9, 2216949), (21, 950121), (27, 738983), (63, 316707), (189, 105569), (229, 87129), (461, 43281), (687, 29043), (1383, 14427), (1603, 12447), (2061, 9681), (3227, 6183), (4149, 4809)]