18492064

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 19428896

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 89, 151, 172, 178, 302, 344, 356, 604, 688, 712, 1208, 1376, 1424, 2416, 2848, 3827, 4832, 6493, 7654, 12986, 13439, 15308, 25972, 26878, 30616, 51944, 53756, 61232, 103888, 107512, 122464, 207776, 215024, 430048, 577877, 1155754, 2311508, 4623016, 9246032, 18492064]

約数ペア:

[(1, 18492064), (2, 9246032), (4, 4623016), (8, 2311508), (16, 1155754), (32, 577877), (43, 430048), (86, 215024), (89, 207776), (151, 122464), (172, 107512), (178, 103888), (302, 61232), (344, 53756), (356, 51944), (604, 30616), (688, 26878), (712, 25972), (1208, 15308), (1376, 13439), (1424, 12986), (2416, 7654), (2848, 6493), (3827, 4832)]