19507472

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 39184992

約数和(自身を除く): 19677520

約数列:

[1, 2, 4, 8, 16, 41, 82, 131, 164, 227, 262, 328, 454, 524, 656, 908, 1048, 1816, 2096, 3632, 5371, 9307, 10742, 18614, 21484, 29737, 37228, 42968, 59474, 74456, 85936, 118948, 148912, 237896, 475792, 1219217, 2438434, 4876868, 9753736, 19507472]

約数ペア:

[(1, 19507472), (2, 9753736), (4, 4876868), (8, 2438434), (16, 1219217), (41, 475792), (82, 237896), (131, 148912), (164, 118948), (227, 85936), (262, 74456), (328, 59474), (454, 42968), (524, 37228), (656, 29737), (908, 21484), (1048, 18614), (1816, 10742), (2096, 9307), (3632, 5371)]