18776398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 31298400

約数和(自身を除く): 12522002

約数列:

[1, 2, 17, 29, 34, 58, 137, 139, 274, 278, 493, 986, 2329, 2363, 3973, 4031, 4658, 4726, 7946, 8062, 19043, 38086, 67541, 68527, 135082, 137054, 323731, 552247, 647462, 1104494, 9388199, 18776398]

約数ペア:

[(1, 18776398), (2, 9388199), (17, 1104494), (29, 647462), (34, 552247), (58, 323731), (137, 137054), (139, 135082), (274, 68527), (278, 67541), (493, 38086), (986, 19043), (2329, 8062), (2363, 7946), (3973, 4726), (4031, 4658)]