17937568

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 38918880

約数和(自身を除く): 20981312

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 131, 176, 262, 352, 389, 524, 778, 1048, 1441, 1556, 2096, 2882, 3112, 4192, 4279, 5764, 6224, 8558, 11528, 12448, 17116, 23056, 34232, 46112, 50959, 68464, 101918, 136928, 203836, 407672, 560549, 815344, 1121098, 1630688, 2242196, 4484392, 8968784, 17937568]

約数ペア:

[(1, 17937568), (2, 8968784), (4, 4484392), (8, 2242196), (11, 1630688), (16, 1121098), (22, 815344), (32, 560549), (44, 407672), (88, 203836), (131, 136928), (176, 101918), (262, 68464), (352, 50959), (389, 46112), (524, 34232), (778, 23056), (1048, 17116), (1441, 12448), (1556, 11528), (2096, 8558), (2882, 6224), (3112, 5764), (4192, 4279)]