19761615

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{797}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 37346400

約数和(自身を除く): 17584785

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 797, 855, 1305, 1653, 2391, 2755, 3985, 4959, 7173, 8265, 11955, 15143, 23113, 24795, 35865, 45429, 69339, 75715, 115565, 136287, 208017, 227145, 346695, 439147, 681435, 1040085, 1317441, 2195735, 3952323, 6587205, 19761615]

約数ペア:

[(1, 19761615), (3, 6587205), (5, 3952323), (9, 2195735), (15, 1317441), (19, 1040085), (29, 681435), (45, 439147), (57, 346695), (87, 227145), (95, 208017), (145, 136287), (171, 115565), (261, 75715), (285, 69339), (435, 45429), (551, 35865), (797, 24795), (855, 23113), (1305, 15143), (1653, 11955), (2391, 8265), (2755, 7173), (3985, 4959)]