19006365

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 37264320

約数和(自身を除く): 18257955

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1361, 1995, 2793, 4083, 4655, 6805, 9527, 13965, 20415, 25859, 28581, 47635, 66689, 77577, 129295, 142905, 181013, 200067, 333445, 387885, 543039, 905065, 1000335, 1267091, 2715195, 3801273, 6335455, 19006365]

約数ペア:

[(1, 19006365), (3, 6335455), (5, 3801273), (7, 2715195), (15, 1267091), (19, 1000335), (21, 905065), (35, 543039), (49, 387885), (57, 333445), (95, 200067), (105, 181013), (133, 142905), (147, 129295), (245, 77577), (285, 66689), (399, 47635), (665, 28581), (735, 25859), (931, 20415), (1361, 13965), (1995, 9527), (2793, 6805), (4083, 4655)]