19345473

素因数分解:

$3^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:265

約数の個数: 56

約数和(自身を含む): 35255808

約数和(自身を除く): 15910335

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 223, 243, 357, 459, 567, 669, 729, 1071, 1377, 1561, 1701, 2007, 3213, 3791, 4131, 4683, 5103, 6021, 9639, 11373, 12393, 14049, 18063, 26537, 28917, 34119, 42147, 54189, 79611, 86751, 102357, 126441, 162567, 238833, 307071, 379323, 716499, 921213, 1137969, 2149497, 2763639, 6448491, 19345473]

約数ペア:

[(1, 19345473), (3, 6448491), (7, 2763639), (9, 2149497), (17, 1137969), (21, 921213), (27, 716499), (51, 379323), (63, 307071), (81, 238833), (119, 162567), (153, 126441), (189, 102357), (223, 86751), (243, 79611), (357, 54189), (459, 42147), (567, 34119), (669, 28917), (729, 26537), (1071, 18063), (1377, 14049), (1561, 12393), (1701, 11373), (2007, 9639), (3213, 6021), (3791, 5103), (4131, 4683)]