19571571

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 30464000

約数和(自身を除く): 10892429

約数列:

[1, 3, 9, 27, 31, 67, 93, 201, 279, 349, 603, 837, 1047, 1809, 2077, 3141, 6231, 9423, 10819, 18693, 23383, 32457, 56079, 70149, 97371, 210447, 292113, 631341, 724873, 2174619, 6523857, 19571571]

約数ペア:

[(1, 19571571), (3, 6523857), (9, 2174619), (27, 724873), (31, 631341), (67, 292113), (93, 210447), (201, 97371), (279, 70149), (349, 56079), (603, 32457), (837, 23383), (1047, 18693), (1809, 10819), (2077, 9423), (3141, 6231)]