19737972

素因数分解:

$2^2\times 3^3\times {\mathrm{179}}^1\times {\mathrm{1021}}^1$

素因数の和:1213

約数の個数: 48

約数和(自身を含む): 51508800

約数和(自身を除く): 31770828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 179, 358, 537, 716, 1021, 1074, 1611, 2042, 2148, 3063, 3222, 4084, 4833, 6126, 6444, 9189, 9666, 12252, 18378, 19332, 27567, 36756, 55134, 110268, 182759, 365518, 548277, 731036, 1096554, 1644831, 2193108, 3289662, 4934493, 6579324, 9868986, 19737972]

約数ペア:

[(1, 19737972), (2, 9868986), (3, 6579324), (4, 4934493), (6, 3289662), (9, 2193108), (12, 1644831), (18, 1096554), (27, 731036), (36, 548277), (54, 365518), (108, 182759), (179, 110268), (358, 55134), (537, 36756), (716, 27567), (1021, 19332), (1074, 18378), (1611, 12252), (2042, 9666), (2148, 9189), (3063, 6444), (3222, 6126), (4084, 4833)]