19927544

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 47523840

約数和(自身を除く): 27596296

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 883, 1612, 1736, 1766, 2821, 3224, 3532, 5642, 6181, 7064, 11284, 11479, 12362, 22568, 22958, 24724, 27373, 45916, 49448, 54746, 80353, 91832, 109492, 160706, 191611, 218984, 321412, 355849, 383222, 642824, 711698, 766444, 1423396, 1532888, 2490943, 2846792, 4981886, 9963772, 19927544]

約数ペア:

[(1, 19927544), (2, 9963772), (4, 4981886), (7, 2846792), (8, 2490943), (13, 1532888), (14, 1423396), (26, 766444), (28, 711698), (31, 642824), (52, 383222), (56, 355849), (62, 321412), (91, 218984), (104, 191611), (124, 160706), (182, 109492), (217, 91832), (248, 80353), (364, 54746), (403, 49448), (434, 45916), (728, 27373), (806, 24724), (868, 22958), (883, 22568), (1612, 12362), (1736, 11479), (1766, 11284), (2821, 7064), (3224, 6181), (3532, 5642)]