19973199

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 29779200

約数和(自身を除く): 9806001

約数列:

[1, 3, 19, 29, 43, 57, 87, 129, 281, 551, 817, 843, 1247, 1653, 2451, 3741, 5339, 8149, 12083, 16017, 23693, 24447, 36249, 71079, 154831, 229577, 350407, 464493, 688731, 1051221, 6657733, 19973199]

約数ペア:

[(1, 19973199), (3, 6657733), (19, 1051221), (29, 688731), (43, 464493), (57, 350407), (87, 229577), (129, 154831), (281, 71079), (551, 36249), (817, 24447), (843, 23693), (1247, 16017), (1653, 12083), (2451, 8149), (3741, 5339)]