20197494

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 46753200

約数和(自身を除く): 26555706

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 73, 114, 146, 171, 219, 342, 438, 657, 809, 1314, 1387, 1618, 2427, 2774, 4161, 4854, 7281, 8322, 12483, 14562, 15371, 24966, 30742, 46113, 59057, 92226, 118114, 138339, 177171, 276678, 354342, 531513, 1063026, 1122083, 2244166, 3366249, 6732498, 10098747, 20197494]

約数ペア:

[(1, 20197494), (2, 10098747), (3, 6732498), (6, 3366249), (9, 2244166), (18, 1122083), (19, 1063026), (38, 531513), (57, 354342), (73, 276678), (114, 177171), (146, 138339), (171, 118114), (219, 92226), (342, 59057), (438, 46113), (657, 30742), (809, 24966), (1314, 15371), (1387, 14562), (1618, 12483), (2427, 8322), (2774, 7281), (4161, 4854)]