19572176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1289}}^1$

素因数の和:1383

約数の個数: 40

約数和(自身を含む): 41429640

約数和(自身を除く): 21857464

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1289, 1898, 2578, 3796, 5156, 7592, 10312, 15184, 16757, 20624, 33514, 67028, 94097, 134056, 188194, 268112, 376388, 752776, 1223261, 1505552, 2446522, 4893044, 9786088, 19572176]

約数ペア:

[(1, 19572176), (2, 9786088), (4, 4893044), (8, 2446522), (13, 1505552), (16, 1223261), (26, 752776), (52, 376388), (73, 268112), (104, 188194), (146, 134056), (208, 94097), (292, 67028), (584, 33514), (949, 20624), (1168, 16757), (1289, 15184), (1898, 10312), (2578, 7592), (3796, 5156)]