18229016

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 37661400

約数和(自身を除く): 19432384

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 139, 169, 194, 278, 338, 388, 556, 676, 776, 1112, 1261, 1352, 1807, 2522, 3614, 5044, 7228, 10088, 13483, 14456, 16393, 23491, 26966, 32786, 46982, 53932, 65572, 93964, 107864, 131144, 175279, 187928, 350558, 701116, 1402232, 2278627, 4557254, 9114508, 18229016]

約数ペア:

[(1, 18229016), (2, 9114508), (4, 4557254), (8, 2278627), (13, 1402232), (26, 701116), (52, 350558), (97, 187928), (104, 175279), (139, 131144), (169, 107864), (194, 93964), (278, 65572), (338, 53932), (388, 46982), (556, 32786), (676, 26966), (776, 23491), (1112, 16393), (1261, 14456), (1352, 13483), (1807, 10088), (2522, 7228), (3614, 5044)]