18430810

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 34459920

約数和(自身を除く): 16029110

約数列:

[1, 2, 5, 10, 37, 74, 109, 185, 218, 370, 457, 545, 914, 1090, 2285, 4033, 4570, 8066, 16909, 20165, 33818, 40330, 49813, 84545, 99626, 169090, 249065, 498130, 1843081, 3686162, 9215405, 18430810]

約数ペア:

[(1, 18430810), (2, 9215405), (5, 3686162), (10, 1843081), (37, 498130), (74, 249065), (109, 169090), (185, 99626), (218, 84545), (370, 49813), (457, 40330), (545, 33818), (914, 20165), (1090, 16909), (2285, 8066), (4033, 4570)]