19551584

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1093}}^1$

素因数の和:1159

約数の個数: 48

約数和(自身を含む): 42455952

約数和(自身を除く): 22904368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1093, 1118, 1376, 2186, 2236, 4372, 4472, 8744, 8944, 14209, 17488, 17888, 28418, 34976, 46999, 56836, 93998, 113672, 187996, 227344, 375992, 454688, 610987, 751984, 1221974, 1503968, 2443948, 4887896, 9775792, 19551584]

約数ペア:

[(1, 19551584), (2, 9775792), (4, 4887896), (8, 2443948), (13, 1503968), (16, 1221974), (26, 751984), (32, 610987), (43, 454688), (52, 375992), (86, 227344), (104, 187996), (172, 113672), (208, 93998), (344, 56836), (416, 46999), (559, 34976), (688, 28418), (1093, 17888), (1118, 17488), (1376, 14209), (2186, 8944), (2236, 8744), (4372, 4472)]