18865836

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 108

約数和(自身を含む): 54027792

約数和(自身を除く): 35161956

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 61, 66, 71, 99, 121, 122, 132, 142, 183, 198, 213, 242, 244, 284, 363, 366, 396, 426, 484, 549, 639, 671, 726, 732, 781, 852, 1089, 1098, 1278, 1342, 1452, 1562, 2013, 2178, 2196, 2343, 2556, 2684, 3124, 4026, 4331, 4356, 4686, 6039, 7029, 7381, 8052, 8591, 8662, 9372, 12078, 12993, 14058, 14762, 17182, 17324, 22143, 24156, 25773, 25986, 28116, 29524, 34364, 38979, 44286, 47641, 51546, 51972, 66429, 77319, 77958, 88572, 95282, 103092, 132858, 142923, 154638, 155916, 190564, 265716, 285846, 309276, 428769, 524051, 571692, 857538, 1048102, 1572153, 1715076, 2096204, 3144306, 4716459, 6288612, 9432918, 18865836]

約数ペア:

[(1, 18865836), (2, 9432918), (3, 6288612), (4, 4716459), (6, 3144306), (9, 2096204), (11, 1715076), (12, 1572153), (18, 1048102), (22, 857538), (33, 571692), (36, 524051), (44, 428769), (61, 309276), (66, 285846), (71, 265716), (99, 190564), (121, 155916), (122, 154638), (132, 142923), (142, 132858), (183, 103092), (198, 95282), (213, 88572), (242, 77958), (244, 77319), (284, 66429), (363, 51972), (366, 51546), (396, 47641), (426, 44286), (484, 38979), (549, 34364), (639, 29524), (671, 28116), (726, 25986), (732, 25773), (781, 24156), (852, 22143), (1089, 17324), (1098, 17182), (1278, 14762), (1342, 14058), (1452, 12993), (1562, 12078), (2013, 9372), (2178, 8662), (2196, 8591), (2343, 8052), (2556, 7381), (2684, 7029), (3124, 6039), (4026, 4686), (4331, 4356)]