18375552

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 58548000

約数和(自身を除く): 40172448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 216, 234, 288, 312, 351, 384, 409, 416, 432, 468, 576, 624, 702, 818, 832, 864, 936, 1152, 1227, 1248, 1404, 1636, 1664, 1728, 1872, 2454, 2496, 2808, 3272, 3456, 3681, 3744, 4908, 4992, 5317, 5616, 6544, 7362, 7488, 9816, 10634, 11043, 11232, 13088, 14724, 14976, 15951, 19632, 21268, 22086, 22464, 26176, 29448, 31902, 39264, 42536, 44172, 44928, 47853, 52352, 58896, 63804, 78528, 85072, 88344, 95706, 117792, 127608, 143559, 157056, 170144, 176688, 191412, 235584, 255216, 287118, 340288, 353376, 382824, 471168, 510432, 574236, 680576, 706752, 765648, 1020864, 1148472, 1413504, 1531296, 2041728, 2296944, 3062592, 4593888, 6125184, 9187776, 18375552]

約数ペア:

[(1, 18375552), (2, 9187776), (3, 6125184), (4, 4593888), (6, 3062592), (8, 2296944), (9, 2041728), (12, 1531296), (13, 1413504), (16, 1148472), (18, 1020864), (24, 765648), (26, 706752), (27, 680576), (32, 574236), (36, 510432), (39, 471168), (48, 382824), (52, 353376), (54, 340288), (64, 287118), (72, 255216), (78, 235584), (96, 191412), (104, 176688), (108, 170144), (117, 157056), (128, 143559), (144, 127608), (156, 117792), (192, 95706), (208, 88344), (216, 85072), (234, 78528), (288, 63804), (312, 58896), (351, 52352), (384, 47853), (409, 44928), (416, 44172), (432, 42536), (468, 39264), (576, 31902), (624, 29448), (702, 26176), (818, 22464), (832, 22086), (864, 21268), (936, 19632), (1152, 15951), (1227, 14976), (1248, 14724), (1404, 13088), (1636, 11232), (1664, 11043), (1728, 10634), (1872, 9816), (2454, 7488), (2496, 7362), (2808, 6544), (3272, 5616), (3456, 5317), (3681, 4992), (3744, 4908)]