18728304

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 55829760

約数和(自身を除く): 37101456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 139, 168, 278, 336, 401, 417, 556, 802, 834, 973, 1112, 1203, 1604, 1668, 1946, 2224, 2406, 2807, 2919, 3208, 3336, 3892, 4812, 5614, 5838, 6416, 6672, 7784, 8421, 9624, 11228, 11676, 15568, 16842, 19248, 22456, 23352, 33684, 44912, 46704, 55739, 67368, 111478, 134736, 167217, 222956, 334434, 390173, 445912, 668868, 780346, 891824, 1170519, 1337736, 1560692, 2341038, 2675472, 3121384, 4682076, 6242768, 9364152, 18728304]

約数ペア:

[(1, 18728304), (2, 9364152), (3, 6242768), (4, 4682076), (6, 3121384), (7, 2675472), (8, 2341038), (12, 1560692), (14, 1337736), (16, 1170519), (21, 891824), (24, 780346), (28, 668868), (42, 445912), (48, 390173), (56, 334434), (84, 222956), (112, 167217), (139, 134736), (168, 111478), (278, 67368), (336, 55739), (401, 46704), (417, 44912), (556, 33684), (802, 23352), (834, 22456), (973, 19248), (1112, 16842), (1203, 15568), (1604, 11676), (1668, 11228), (1946, 9624), (2224, 8421), (2406, 7784), (2807, 6672), (2919, 6416), (3208, 5838), (3336, 5614), (3892, 4812)]