19985448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{353}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 57432960

約数和(自身を除く): 37447512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 337, 353, 674, 706, 1011, 1059, 1348, 1412, 2022, 2118, 2359, 2471, 2696, 2824, 4044, 4236, 4718, 4942, 7077, 7413, 8088, 8472, 9436, 9884, 14154, 14826, 18872, 19768, 28308, 29652, 56616, 59304, 118961, 237922, 356883, 475844, 713766, 832727, 951688, 1427532, 1665454, 2498181, 2855064, 3330908, 4996362, 6661816, 9992724, 19985448]

約数ペア:

[(1, 19985448), (2, 9992724), (3, 6661816), (4, 4996362), (6, 3330908), (7, 2855064), (8, 2498181), (12, 1665454), (14, 1427532), (21, 951688), (24, 832727), (28, 713766), (42, 475844), (56, 356883), (84, 237922), (168, 118961), (337, 59304), (353, 56616), (674, 29652), (706, 28308), (1011, 19768), (1059, 18872), (1348, 14826), (1412, 14154), (2022, 9884), (2118, 9436), (2359, 8472), (2471, 8088), (2696, 7413), (2824, 7077), (4044, 4942), (4236, 4718)]