19169744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 44193600

約数和(自身を除く): 25023856

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 43, 44, 68, 86, 88, 136, 149, 172, 176, 187, 272, 298, 344, 374, 473, 596, 688, 731, 748, 946, 1192, 1462, 1496, 1639, 1892, 2384, 2533, 2924, 2992, 3278, 3784, 5066, 5848, 6407, 6556, 7568, 8041, 10132, 11696, 12814, 13112, 16082, 20264, 25628, 26224, 27863, 32164, 40528, 51256, 55726, 64328, 70477, 102512, 108919, 111452, 128656, 140954, 217838, 222904, 281908, 435676, 445808, 563816, 871352, 1127632, 1198109, 1742704, 2396218, 4792436, 9584872, 19169744]

約数ペア:

[(1, 19169744), (2, 9584872), (4, 4792436), (8, 2396218), (11, 1742704), (16, 1198109), (17, 1127632), (22, 871352), (34, 563816), (43, 445808), (44, 435676), (68, 281908), (86, 222904), (88, 217838), (136, 140954), (149, 128656), (172, 111452), (176, 108919), (187, 102512), (272, 70477), (298, 64328), (344, 55726), (374, 51256), (473, 40528), (596, 32164), (688, 27863), (731, 26224), (748, 25628), (946, 20264), (1192, 16082), (1462, 13112), (1496, 12814), (1639, 11696), (1892, 10132), (2384, 8041), (2533, 7568), (2924, 6556), (2992, 6407), (3278, 5848), (3784, 5066)]