19693170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31259}}^1$

素因数の和:31279

約数の個数: 48

約数和(自身を含む): 58518720

約数和(自身を除く): 38825550

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31259, 62518, 93777, 156295, 187554, 218813, 281331, 312590, 437626, 468885, 562662, 656439, 937770, 1094065, 1312878, 1406655, 1969317, 2188130, 2813310, 3282195, 3938634, 6564390, 9846585, 19693170]

約数ペア:

[(1, 19693170), (2, 9846585), (3, 6564390), (5, 3938634), (6, 3282195), (7, 2813310), (9, 2188130), (10, 1969317), (14, 1406655), (15, 1312878), (18, 1094065), (21, 937770), (30, 656439), (35, 562662), (42, 468885), (45, 437626), (63, 312590), (70, 281331), (90, 218813), (105, 187554), (126, 156295), (210, 93777), (315, 62518), (630, 31259)]