19684695

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 32401152

約数和(自身を除く): 12716457

約数列:

[1, 3, 5, 15, 83, 97, 163, 249, 291, 415, 485, 489, 815, 1245, 1455, 2445, 8051, 13529, 15811, 24153, 40255, 40587, 47433, 67645, 79055, 120765, 202935, 237165, 1312313, 3936939, 6561565, 19684695]

約数ペア:

[(1, 19684695), (3, 6561565), (5, 3936939), (15, 1312313), (83, 237165), (97, 202935), (163, 120765), (249, 79055), (291, 67645), (415, 47433), (485, 40587), (489, 40255), (815, 24153), (1245, 15811), (1455, 13529), (2445, 8051)]