18894645

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:96

約数の個数: 144

約数和(自身を含む): 44815680

約数和(自身を除く): 25921035

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 33, 35, 41, 45, 49, 55, 57, 63, 77, 95, 99, 105, 123, 133, 147, 165, 171, 205, 209, 231, 245, 285, 287, 315, 369, 385, 399, 441, 451, 495, 539, 615, 627, 665, 693, 735, 779, 855, 861, 931, 1045, 1155, 1197, 1353, 1435, 1463, 1617, 1845, 1881, 1995, 2009, 2205, 2255, 2337, 2583, 2695, 2793, 3135, 3157, 3465, 3895, 4059, 4305, 4389, 4655, 4851, 5453, 5985, 6027, 6765, 7011, 7315, 8085, 8379, 8569, 9405, 9471, 10045, 10241, 11685, 12915, 13167, 13965, 15785, 16359, 18081, 20295, 21945, 22099, 24255, 25707, 27265, 28413, 30135, 30723, 35055, 38171, 41895, 42845, 47355, 49077, 51205, 59983, 65835, 66297, 77121, 81795, 90405, 92169, 110495, 114513, 128535, 142065, 153615, 179949, 190855, 198891, 245385, 299915, 331485, 343539, 385605, 419881, 460845, 539847, 572565, 899745, 994455, 1259643, 1717695, 2099405, 2699235, 3778929, 6298215, 18894645]

約数ペア:

[(1, 18894645), (3, 6298215), (5, 3778929), (7, 2699235), (9, 2099405), (11, 1717695), (15, 1259643), (19, 994455), (21, 899745), (33, 572565), (35, 539847), (41, 460845), (45, 419881), (49, 385605), (55, 343539), (57, 331485), (63, 299915), (77, 245385), (95, 198891), (99, 190855), (105, 179949), (123, 153615), (133, 142065), (147, 128535), (165, 114513), (171, 110495), (205, 92169), (209, 90405), (231, 81795), (245, 77121), (285, 66297), (287, 65835), (315, 59983), (369, 51205), (385, 49077), (399, 47355), (441, 42845), (451, 41895), (495, 38171), (539, 35055), (615, 30723), (627, 30135), (665, 28413), (693, 27265), (735, 25707), (779, 24255), (855, 22099), (861, 21945), (931, 20295), (1045, 18081), (1155, 16359), (1197, 15785), (1353, 13965), (1435, 13167), (1463, 12915), (1617, 11685), (1845, 10241), (1881, 10045), (1995, 9471), (2009, 9405), (2205, 8569), (2255, 8379), (2337, 8085), (2583, 7315), (2695, 7011), (2793, 6765), (3135, 6027), (3157, 5985), (3465, 5453), (3895, 4851), (4059, 4655), (4305, 4389)]