19580470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21517}}^1$

素因数の和:21544

約数の個数: 32

約数和(自身を含む): 43380288

約数和(自身を除く): 23799818

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21517, 43034, 107585, 150619, 215170, 279721, 301238, 559442, 753095, 1398605, 1506190, 1958047, 2797210, 3916094, 9790235, 19580470]

約数ペア:

[(1, 19580470), (2, 9790235), (5, 3916094), (7, 2797210), (10, 1958047), (13, 1506190), (14, 1398605), (26, 753095), (35, 559442), (65, 301238), (70, 279721), (91, 215170), (130, 150619), (182, 107585), (455, 43034), (910, 21517)]