19411730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 21714670

約数列:

[1, 2, 5, 10, 13, 19, 26, 29, 38, 58, 65, 95, 130, 145, 190, 247, 271, 290, 377, 494, 542, 551, 754, 1102, 1235, 1355, 1885, 2470, 2710, 2755, 3523, 3770, 5149, 5510, 7046, 7163, 7859, 10298, 14326, 15718, 17615, 25745, 35230, 35815, 39295, 51490, 66937, 71630, 78590, 102167, 133874, 149321, 204334, 298642, 334685, 510835, 669370, 746605, 1021670, 1493210, 1941173, 3882346, 9705865, 19411730]

約数ペア:

[(1, 19411730), (2, 9705865), (5, 3882346), (10, 1941173), (13, 1493210), (19, 1021670), (26, 746605), (29, 669370), (38, 510835), (58, 334685), (65, 298642), (95, 204334), (130, 149321), (145, 133874), (190, 102167), (247, 78590), (271, 71630), (290, 66937), (377, 51490), (494, 39295), (542, 35815), (551, 35230), (754, 25745), (1102, 17615), (1235, 15718), (1355, 14326), (1885, 10298), (2470, 7859), (2710, 7163), (2755, 7046), (3523, 5510), (3770, 5149)]