18638412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{761}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 47195232

約数和(自身を除く): 28556820

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 157, 314, 471, 628, 761, 942, 1522, 1884, 2041, 2283, 3044, 4082, 4566, 6123, 8164, 9132, 9893, 12246, 19786, 24492, 29679, 39572, 59358, 118716, 119477, 238954, 358431, 477908, 716862, 1433724, 1553201, 3106402, 4659603, 6212804, 9319206, 18638412]

約数ペア:

[(1, 18638412), (2, 9319206), (3, 6212804), (4, 4659603), (6, 3106402), (12, 1553201), (13, 1433724), (26, 716862), (39, 477908), (52, 358431), (78, 238954), (156, 119477), (157, 118716), (314, 59358), (471, 39572), (628, 29679), (761, 24492), (942, 19786), (1522, 12246), (1884, 9893), (2041, 9132), (2283, 8164), (3044, 6123), (4082, 4566)]