19704952

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 37944000

約数和(自身を除く): 18239048

約数列:

[1, 2, 4, 8, 61, 122, 149, 244, 271, 298, 488, 542, 596, 1084, 1192, 2168, 9089, 16531, 18178, 33062, 36356, 40379, 66124, 72712, 80758, 132248, 161516, 323032, 2463119, 4926238, 9852476, 19704952]

約数ペア:

[(1, 19704952), (2, 9852476), (4, 4926238), (8, 2463119), (61, 323032), (122, 161516), (149, 132248), (244, 80758), (271, 72712), (298, 66124), (488, 40379), (542, 36356), (596, 33062), (1084, 18178), (1192, 16531), (2168, 9089)]