2018021445

素因数分解:

$3^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:939

約数の個数: 128

約数和(自身を含む): 4175308800

約数和(自身を除く): 2157287355

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 81, 95, 99, 135, 165, 171, 209, 243, 285, 297, 405, 495, 513, 627, 729, 855, 883, 891, 1045, 1215, 1485, 1539, 1881, 2187, 2565, 2649, 2673, 3135, 3645, 4415, 4455, 4617, 5643, 7695, 7947, 8019, 9405, 9713, 10935, 13245, 13365, 13851, 16777, 16929, 23085, 23841, 24057, 28215, 29139, 39735, 40095, 41553, 48565, 50331, 50787, 69255, 71523, 83885, 84645, 87417, 119205, 120285, 145695, 150993, 152361, 184547, 207765, 214569, 251655, 253935, 262251, 357615, 437085, 452979, 457083, 553641, 643707, 754965, 761805, 786753, 922735, 1072845, 1311255, 1358937, 1660923, 1931121, 2264895, 2285415, 2360259, 2768205, 3218535, 3933765, 4076811, 4982769, 6794685, 7080777, 8304615, 9655605, 11801295, 12230433, 14948307, 20384055, 21242331, 24913845, 35403885, 36691299, 44844921, 61152165, 74741535, 106211655, 134534763, 183456495, 224224605, 403604289, 672673815, 2018021445]

約数ペア:

[(1, 2018021445), (3, 672673815), (5, 403604289), (9, 224224605), (11, 183456495), (15, 134534763), (19, 106211655), (27, 74741535), (33, 61152165), (45, 44844921), (55, 36691299), (57, 35403885), (81, 24913845), (95, 21242331), (99, 20384055), (135, 14948307), (165, 12230433), (171, 11801295), (209, 9655605), (243, 8304615), (285, 7080777), (297, 6794685), (405, 4982769), (495, 4076811), (513, 3933765), (627, 3218535), (729, 2768205), (855, 2360259), (883, 2285415), (891, 2264895), (1045, 1931121), (1215, 1660923), (1485, 1358937), (1539, 1311255), (1881, 1072845), (2187, 922735), (2565, 786753), (2649, 761805), (2673, 754965), (3135, 643707), (3645, 553641), (4415, 457083), (4455, 452979), (4617, 437085), (5643, 357615), (7695, 262251), (7947, 253935), (8019, 251655), (9405, 214569), (9713, 207765), (10935, 184547), (13245, 152361), (13365, 150993), (13851, 145695), (16777, 120285), (16929, 119205), (23085, 87417), (23841, 84645), (24057, 83885), (28215, 71523), (29139, 69255), (39735, 50787), (40095, 50331), (41553, 48565)]