19443004

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 43666560

約数和(自身を除く): 24223556

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 227, 266, 322, 437, 454, 532, 644, 874, 908, 931, 1127, 1589, 1748, 1862, 2254, 3059, 3178, 3724, 4313, 4508, 5221, 6118, 6356, 8626, 10442, 11123, 12236, 17252, 20884, 21413, 22246, 30191, 36547, 42826, 44492, 60382, 73094, 85652, 99199, 120764, 146188, 198398, 211337, 255829, 396796, 422674, 511658, 694393, 845348, 1023316, 1388786, 2777572, 4860751, 9721502, 19443004]

約数ペア:

[(1, 19443004), (2, 9721502), (4, 4860751), (7, 2777572), (14, 1388786), (19, 1023316), (23, 845348), (28, 694393), (38, 511658), (46, 422674), (49, 396796), (76, 255829), (92, 211337), (98, 198398), (133, 146188), (161, 120764), (196, 99199), (227, 85652), (266, 73094), (322, 60382), (437, 44492), (454, 42826), (532, 36547), (644, 30191), (874, 22246), (908, 21413), (931, 20884), (1127, 17252), (1589, 12236), (1748, 11123), (1862, 10442), (2254, 8626), (3059, 6356), (3178, 6118), (3724, 5221), (4313, 4508)]