18244380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{359}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 64350720

約数和(自身を除く): 46106340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 359, 363, 385, 420, 462, 484, 605, 660, 718, 726, 770, 847, 924, 1077, 1155, 1210, 1436, 1452, 1540, 1694, 1795, 1815, 2154, 2310, 2420, 2513, 2541, 3388, 3590, 3630, 3949, 4235, 4308, 4620, 5026, 5082, 5385, 7180, 7260, 7539, 7898, 8470, 10052, 10164, 10770, 11847, 12565, 12705, 15078, 15796, 16940, 19745, 21540, 23694, 25130, 25410, 27643, 30156, 37695, 39490, 43439, 47388, 50260, 50820, 55286, 59235, 75390, 78980, 82929, 86878, 110572, 118470, 130317, 138215, 150780, 165858, 173756, 217195, 236940, 260634, 276430, 304073, 331716, 414645, 434390, 521268, 552860, 608146, 651585, 829290, 868780, 912219, 1216292, 1303170, 1520365, 1658580, 1824438, 2606340, 3040730, 3648876, 4561095, 6081460, 9122190, 18244380]

約数ペア:

[(1, 18244380), (2, 9122190), (3, 6081460), (4, 4561095), (5, 3648876), (6, 3040730), (7, 2606340), (10, 1824438), (11, 1658580), (12, 1520365), (14, 1303170), (15, 1216292), (20, 912219), (21, 868780), (22, 829290), (28, 651585), (30, 608146), (33, 552860), (35, 521268), (42, 434390), (44, 414645), (55, 331716), (60, 304073), (66, 276430), (70, 260634), (77, 236940), (84, 217195), (105, 173756), (110, 165858), (121, 150780), (132, 138215), (140, 130317), (154, 118470), (165, 110572), (210, 86878), (220, 82929), (231, 78980), (242, 75390), (308, 59235), (330, 55286), (359, 50820), (363, 50260), (385, 47388), (420, 43439), (462, 39490), (484, 37695), (605, 30156), (660, 27643), (718, 25410), (726, 25130), (770, 23694), (847, 21540), (924, 19745), (1077, 16940), (1155, 15796), (1210, 15078), (1436, 12705), (1452, 12565), (1540, 11847), (1694, 10770), (1795, 10164), (1815, 10052), (2154, 8470), (2310, 7898), (2420, 7539), (2513, 7260), (2541, 7180), (3388, 5385), (3590, 5082), (3630, 5026), (3949, 4620), (4235, 4308)]