19952348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 39584160

約数和(自身を除く): 19631812

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 101, 116, 131, 202, 262, 377, 404, 524, 754, 1313, 1508, 1703, 2626, 2929, 3406, 3799, 5252, 5858, 6812, 7598, 11716, 13231, 15196, 26462, 38077, 49387, 52924, 76154, 98774, 152308, 172003, 197548, 344006, 383699, 688012, 767398, 1534796, 4988087, 9976174, 19952348]

約数ペア:

[(1, 19952348), (2, 9976174), (4, 4988087), (13, 1534796), (26, 767398), (29, 688012), (52, 383699), (58, 344006), (101, 197548), (116, 172003), (131, 152308), (202, 98774), (262, 76154), (377, 52924), (404, 49387), (524, 38077), (754, 26462), (1313, 15196), (1508, 13231), (1703, 11716), (2626, 7598), (2929, 6812), (3406, 5858), (3799, 5252)]