19685666

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9833}}^1$

素因数の和:9866

約数の個数: 32

約数和(自身を含む): 39650688

約数和(自身を除く): 19965022

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 9833, 19666, 68831, 108163, 127829, 137662, 216326, 255658, 757141, 894803, 1406119, 1514282, 1789606, 2812238, 9842833, 19685666]

約数ペア:

[(1, 19685666), (2, 9842833), (7, 2812238), (11, 1789606), (13, 1514282), (14, 1406119), (22, 894803), (26, 757141), (77, 255658), (91, 216326), (143, 137662), (154, 127829), (182, 108163), (286, 68831), (1001, 19666), (2002, 9833)]