13220770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 25272000

約数和(自身を除く): 12051230

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 467, 745, 934, 1490, 2335, 2831, 4670, 5662, 8873, 14155, 17746, 28310, 44365, 69583, 88730, 139166, 347915, 695830, 1322077, 2644154, 6610385, 13220770]

約数ペア:

[(1, 13220770), (2, 6610385), (5, 2644154), (10, 1322077), (19, 695830), (38, 347915), (95, 139166), (149, 88730), (190, 69583), (298, 44365), (467, 28310), (745, 17746), (934, 14155), (1490, 8873), (2335, 5662), (2831, 4670)]