18827798912

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{364993}}^1$

素因数の和:365051

約数の個数: 64

約数和(自身を含む): 41696914560

約数和(自身を除く): 22869115648

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3968, 6448, 12896, 25792, 51584, 364993, 729986, 1459972, 2919944, 4744909, 5839888, 9489818, 11314783, 11679776, 18979636, 22629566, 23359552, 37959272, 45259132, 46719104, 75918544, 90518264, 147092179, 151837088, 181036528, 294184358, 303674176, 362073056, 588368716, 607348352, 724146112, 1176737432, 1448292224, 2353474864, 4706949728, 9413899456, 18827798912]

約数ペア:

[(1, 18827798912), (2, 9413899456), (4, 4706949728), (8, 2353474864), (13, 1448292224), (16, 1176737432), (26, 724146112), (31, 607348352), (32, 588368716), (52, 362073056), (62, 303674176), (64, 294184358), (104, 181036528), (124, 151837088), (128, 147092179), (208, 90518264), (248, 75918544), (403, 46719104), (416, 45259132), (496, 37959272), (806, 23359552), (832, 22629566), (992, 18979636), (1612, 11679776), (1664, 11314783), (1984, 9489818), (3224, 5839888), (3968, 4744909), (6448, 2919944), (12896, 1459972), (25792, 729986), (51584, 364993)]