19911456

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1534

約数の個数: 72

約数和(自身を含む): 57867264

約数和(自身を除く): 37955808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 141, 144, 188, 282, 288, 376, 423, 564, 752, 846, 1128, 1471, 1504, 1692, 2256, 2942, 3384, 4413, 4512, 5884, 6768, 8826, 11768, 13239, 13536, 17652, 23536, 26478, 35304, 47072, 52956, 69137, 70608, 105912, 138274, 141216, 207411, 211824, 276548, 414822, 423648, 553096, 622233, 829644, 1106192, 1244466, 1659288, 2212384, 2488932, 3318576, 4977864, 6637152, 9955728, 19911456]

約数ペア:

[(1, 19911456), (2, 9955728), (3, 6637152), (4, 4977864), (6, 3318576), (8, 2488932), (9, 2212384), (12, 1659288), (16, 1244466), (18, 1106192), (24, 829644), (32, 622233), (36, 553096), (47, 423648), (48, 414822), (72, 276548), (94, 211824), (96, 207411), (141, 141216), (144, 138274), (188, 105912), (282, 70608), (288, 69137), (376, 52956), (423, 47072), (564, 35304), (752, 26478), (846, 23536), (1128, 17652), (1471, 13536), (1504, 13239), (1692, 11768), (2256, 8826), (2942, 6768), (3384, 5884), (4413, 4512)]