18895552

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{1747}}^1$

素因数の和:1785

約数の個数: 42

約数和(自身を含む): 40625268

約数和(自身を除く): 21729716

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 1747, 2704, 3494, 5408, 6988, 10816, 13976, 22711, 27952, 45422, 55904, 90844, 111808, 181688, 295243, 363376, 590486, 726752, 1180972, 1453504, 2361944, 4723888, 9447776, 18895552]

約数ペア:

[(1, 18895552), (2, 9447776), (4, 4723888), (8, 2361944), (13, 1453504), (16, 1180972), (26, 726752), (32, 590486), (52, 363376), (64, 295243), (104, 181688), (169, 111808), (208, 90844), (338, 55904), (416, 45422), (676, 27952), (832, 22711), (1352, 13976), (1747, 10816), (2704, 6988), (3494, 5408)]