19098261

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2591}}^1$

素因数の和:2623

約数の個数: 40

約数和(自身を含む): 35126784

約数和(自身を除く): 16028523

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 2591, 7371, 7773, 18137, 23319, 33683, 54411, 69957, 101049, 163233, 209871, 235781, 303147, 489699, 707343, 909441, 1469097, 2122029, 2728323, 6366087, 19098261]

約数ペア:

[(1, 19098261), (3, 6366087), (7, 2728323), (9, 2122029), (13, 1469097), (21, 909441), (27, 707343), (39, 489699), (63, 303147), (81, 235781), (91, 209871), (117, 163233), (189, 101049), (273, 69957), (351, 54411), (567, 33683), (819, 23319), (1053, 18137), (2457, 7773), (2591, 7371)]