19920285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5749}}^1$

素因数の和:5778

約数の個数: 48

約数和(自身を含む): 43056000

約数和(自身を除く): 23135715

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5749, 17247, 28745, 40243, 51741, 63239, 86235, 120729, 189717, 201215, 258705, 316195, 362187, 442673, 569151, 603645, 948585, 1328019, 1810935, 2213365, 2845755, 3984057, 6640095, 19920285]

約数ペア:

[(1, 19920285), (3, 6640095), (5, 3984057), (7, 2845755), (9, 2213365), (11, 1810935), (15, 1328019), (21, 948585), (33, 603645), (35, 569151), (45, 442673), (55, 362187), (63, 316195), (77, 258705), (99, 201215), (105, 189717), (165, 120729), (231, 86235), (315, 63239), (385, 51741), (495, 40243), (693, 28745), (1155, 17247), (3465, 5749)]