20185339719

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 29627942400

約数和(自身を除く): 9442602681

約数列:

[1, 3, 19, 41, 57, 73, 123, 179, 219, 537, 661, 779, 1387, 1983, 2337, 2993, 3401, 4161, 7339, 8979, 10203, 12559, 13067, 22017, 27101, 37677, 39201, 48253, 56867, 81303, 118319, 139441, 144759, 170601, 248273, 354957, 418323, 514919, 535747, 744819, 916807, 1544757, 1607241, 1978373, 2248061, 2750421, 4851079, 5935119, 6744183, 8637287, 10179193, 14553237, 25911861, 30537579, 37589087, 92170501, 112767261, 164108453, 276511503, 354128767, 492325359, 1062386301, 6728446573, 20185339719]

約数ペア:

[(1, 20185339719), (3, 6728446573), (19, 1062386301), (41, 492325359), (57, 354128767), (73, 276511503), (123, 164108453), (179, 112767261), (219, 92170501), (537, 37589087), (661, 30537579), (779, 25911861), (1387, 14553237), (1983, 10179193), (2337, 8637287), (2993, 6744183), (3401, 5935119), (4161, 4851079), (7339, 2750421), (8979, 2248061), (10203, 1978373), (12559, 1607241), (13067, 1544757), (22017, 916807), (27101, 744819), (37677, 535747), (39201, 514919), (48253, 418323), (56867, 354957), (81303, 248273), (118319, 170601), (139441, 144759)]