19934523

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2659}}^1$

素因数の和:2696

約数の個数: 36

約数和(自身を含む): 35479080

約数和(自身を除く): 15544557

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 2659, 7497, 7977, 18613, 23931, 45203, 55839, 130291, 135609, 167517, 316421, 390873, 406827, 949263, 1172619, 2214947, 2847789, 6644841, 19934523]

約数ペア:

[(1, 19934523), (3, 6644841), (7, 2847789), (9, 2214947), (17, 1172619), (21, 949263), (49, 406827), (51, 390873), (63, 316421), (119, 167517), (147, 135609), (153, 130291), (357, 55839), (441, 45203), (833, 23931), (1071, 18613), (2499, 7977), (2659, 7497)]