19755190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1277}}^1$

素因数の和:1321

約数の個数: 64

約数和(自身を含む): 46376064

約数和(自身を除く): 26620874

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1277, 1547, 2210, 2554, 3094, 6385, 7735, 8939, 12770, 15470, 16601, 17878, 21709, 33202, 43418, 44695, 83005, 89390, 108545, 116207, 151963, 166010, 217090, 232414, 282217, 303926, 564434, 581035, 759815, 1162070, 1411085, 1519630, 1975519, 2822170, 3951038, 9877595, 19755190]

約数ペア:

[(1, 19755190), (2, 9877595), (5, 3951038), (7, 2822170), (10, 1975519), (13, 1519630), (14, 1411085), (17, 1162070), (26, 759815), (34, 581035), (35, 564434), (65, 303926), (70, 282217), (85, 232414), (91, 217090), (119, 166010), (130, 151963), (170, 116207), (182, 108545), (221, 89390), (238, 83005), (442, 44695), (455, 43418), (595, 33202), (910, 21709), (1105, 17878), (1190, 16601), (1277, 15470), (1547, 12770), (2210, 8939), (2554, 7735), (3094, 6385)]