18845268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1129}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 47839680

約数和(自身を除く): 28994412

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 107, 156, 214, 321, 428, 642, 1129, 1284, 1391, 2258, 2782, 3387, 4173, 4516, 5564, 6774, 8346, 13548, 14677, 16692, 29354, 44031, 58708, 88062, 120803, 176124, 241606, 362409, 483212, 724818, 1449636, 1570439, 3140878, 4711317, 6281756, 9422634, 18845268]

約数ペア:

[(1, 18845268), (2, 9422634), (3, 6281756), (4, 4711317), (6, 3140878), (12, 1570439), (13, 1449636), (26, 724818), (39, 483212), (52, 362409), (78, 241606), (107, 176124), (156, 120803), (214, 88062), (321, 58708), (428, 44031), (642, 29354), (1129, 16692), (1284, 14677), (1391, 13548), (2258, 8346), (2782, 6774), (3387, 5564), (4173, 4516)]