19314771

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 32503680

約数和(自身を除く): 13188909

約数列:

[1, 3, 7, 17, 21, 49, 51, 59, 119, 131, 147, 177, 357, 393, 413, 833, 917, 1003, 1239, 2227, 2499, 2751, 2891, 3009, 6419, 6681, 7021, 7729, 8673, 15589, 19257, 21063, 23187, 46767, 49147, 54103, 109123, 131393, 147441, 162309, 327369, 378721, 394179, 919751, 1136163, 2759253, 6438257, 19314771]

約数ペア:

[(1, 19314771), (3, 6438257), (7, 2759253), (17, 1136163), (21, 919751), (49, 394179), (51, 378721), (59, 327369), (119, 162309), (131, 147441), (147, 131393), (177, 109123), (357, 54103), (393, 49147), (413, 46767), (833, 23187), (917, 21063), (1003, 19257), (1239, 15589), (2227, 8673), (2499, 7729), (2751, 7021), (2891, 6681), (3009, 6419)]