18997776

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 120

約数和(自身を含む): 62210304

約数和(自身を除く): 43212528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 47, 48, 56, 63, 72, 84, 94, 112, 126, 141, 144, 168, 188, 252, 282, 329, 336, 376, 401, 423, 504, 564, 658, 752, 802, 846, 987, 1008, 1128, 1203, 1316, 1604, 1692, 1974, 2256, 2406, 2632, 2807, 2961, 3208, 3384, 3609, 3948, 4812, 5264, 5614, 5922, 6416, 6768, 7218, 7896, 8421, 9624, 11228, 11844, 14436, 15792, 16842, 18847, 19248, 22456, 23688, 25263, 28872, 33684, 37694, 44912, 47376, 50526, 56541, 57744, 67368, 75388, 101052, 113082, 131929, 134736, 150776, 169623, 202104, 226164, 263858, 301552, 339246, 395787, 404208, 452328, 527716, 678492, 791574, 904656, 1055432, 1187361, 1356984, 1583148, 2110864, 2374722, 2713968, 3166296, 4749444, 6332592, 9498888, 18997776]

約数ペア:

[(1, 18997776), (2, 9498888), (3, 6332592), (4, 4749444), (6, 3166296), (7, 2713968), (8, 2374722), (9, 2110864), (12, 1583148), (14, 1356984), (16, 1187361), (18, 1055432), (21, 904656), (24, 791574), (28, 678492), (36, 527716), (42, 452328), (47, 404208), (48, 395787), (56, 339246), (63, 301552), (72, 263858), (84, 226164), (94, 202104), (112, 169623), (126, 150776), (141, 134736), (144, 131929), (168, 113082), (188, 101052), (252, 75388), (282, 67368), (329, 57744), (336, 56541), (376, 50526), (401, 47376), (423, 44912), (504, 37694), (564, 33684), (658, 28872), (752, 25263), (802, 23688), (846, 22456), (987, 19248), (1008, 18847), (1128, 16842), (1203, 15792), (1316, 14436), (1604, 11844), (1692, 11228), (1974, 9624), (2256, 8421), (2406, 7896), (2632, 7218), (2807, 6768), (2961, 6416), (3208, 5922), (3384, 5614), (3609, 5264), (3948, 4812)]