18499968

素因数分解:

$2^7\times 3^3\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 56181600

約数和(自身を除く): 37681632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 64, 72, 96, 101, 106, 108, 128, 144, 159, 192, 202, 212, 216, 288, 303, 318, 384, 404, 424, 432, 477, 576, 606, 636, 808, 848, 864, 909, 954, 1152, 1212, 1272, 1431, 1616, 1696, 1728, 1818, 1908, 2424, 2544, 2727, 2862, 3232, 3392, 3456, 3636, 3816, 4848, 5088, 5353, 5454, 5724, 6464, 6784, 7272, 7632, 9696, 10176, 10706, 10908, 11448, 12928, 14544, 15264, 16059, 19392, 20352, 21412, 21816, 22896, 29088, 30528, 32118, 38784, 42824, 43632, 45792, 48177, 58176, 61056, 64236, 85648, 87264, 91584, 96354, 116352, 128472, 144531, 171296, 174528, 183168, 192708, 256944, 289062, 342592, 349056, 385416, 513888, 578124, 685184, 770832, 1027776, 1156248, 1541664, 2055552, 2312496, 3083328, 4624992, 6166656, 9249984, 18499968]

約数ペア:

[(1, 18499968), (2, 9249984), (3, 6166656), (4, 4624992), (6, 3083328), (8, 2312496), (9, 2055552), (12, 1541664), (16, 1156248), (18, 1027776), (24, 770832), (27, 685184), (32, 578124), (36, 513888), (48, 385416), (53, 349056), (54, 342592), (64, 289062), (72, 256944), (96, 192708), (101, 183168), (106, 174528), (108, 171296), (128, 144531), (144, 128472), (159, 116352), (192, 96354), (202, 91584), (212, 87264), (216, 85648), (288, 64236), (303, 61056), (318, 58176), (384, 48177), (404, 45792), (424, 43632), (432, 42824), (477, 38784), (576, 32118), (606, 30528), (636, 29088), (808, 22896), (848, 21816), (864, 21412), (909, 20352), (954, 19392), (1152, 16059), (1212, 15264), (1272, 14544), (1431, 12928), (1616, 11448), (1696, 10908), (1728, 10706), (1818, 10176), (1908, 9696), (2424, 7632), (2544, 7272), (2727, 6784), (2862, 6464), (3232, 5724), (3392, 5454), (3456, 5353), (3636, 5088), (3816, 4848)]