18933880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3559}}^1$

素因数の和:3596

約数の個数: 64

約数和(自身を含む): 51264000

約数和(自身を除く): 32330120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3559, 5320, 7118, 14236, 17795, 24913, 28472, 35590, 49826, 67621, 71180, 99652, 124565, 135242, 142360, 199304, 249130, 270484, 338105, 473347, 498260, 540968, 676210, 946694, 996520, 1352420, 1893388, 2366735, 2704840, 3786776, 4733470, 9466940, 18933880]

約数ペア:

[(1, 18933880), (2, 9466940), (4, 4733470), (5, 3786776), (7, 2704840), (8, 2366735), (10, 1893388), (14, 1352420), (19, 996520), (20, 946694), (28, 676210), (35, 540968), (38, 498260), (40, 473347), (56, 338105), (70, 270484), (76, 249130), (95, 199304), (133, 142360), (140, 135242), (152, 124565), (190, 99652), (266, 71180), (280, 67621), (380, 49826), (532, 35590), (665, 28472), (760, 24913), (1064, 17795), (1330, 14236), (2660, 7118), (3559, 5320)]