19399515

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 31987200

約数和(自身を除く): 12587685

約数列:

[1, 3, 5, 15, 67, 97, 199, 201, 291, 335, 485, 597, 995, 1005, 1455, 2985, 6499, 13333, 19303, 19497, 32495, 39999, 57909, 66665, 96515, 97485, 199995, 289545, 1293301, 3879903, 6466505, 19399515]

約数ペア:

[(1, 19399515), (3, 6466505), (5, 3879903), (15, 1293301), (67, 289545), (97, 199995), (199, 97485), (201, 96515), (291, 66665), (335, 57909), (485, 39999), (597, 32495), (995, 19497), (1005, 19303), (1455, 13333), (2985, 6499)]