19848969

素因数分解:

$3^5\times 7^2\times {\mathrm{1667}}^1$

素因数の和:1696

約数の個数: 36

約数和(自身を含む): 34607664

約数和(自身を除く): 14758695

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1667, 1701, 3969, 5001, 11669, 11907, 15003, 35007, 45009, 81683, 105021, 135027, 245049, 315063, 405081, 735147, 945189, 2205441, 2835567, 6616323, 19848969]

約数ペア:

[(1, 19848969), (3, 6616323), (7, 2835567), (9, 2205441), (21, 945189), (27, 735147), (49, 405081), (63, 315063), (81, 245049), (147, 135027), (189, 105021), (243, 81683), (441, 45009), (567, 35007), (1323, 15003), (1667, 11907), (1701, 11669), (3969, 5001)]