18701206

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 31080960

約数和(自身を除く): 12379754

約数列:

[1, 2, 19, 37, 38, 47, 74, 94, 283, 566, 703, 893, 1406, 1739, 1786, 3478, 5377, 10471, 10754, 13301, 20942, 26602, 33041, 66082, 198949, 252719, 397898, 492137, 505438, 984274, 9350603, 18701206]

約数ペア:

[(1, 18701206), (2, 9350603), (19, 984274), (37, 505438), (38, 492137), (47, 397898), (74, 252719), (94, 198949), (283, 66082), (566, 33041), (703, 26602), (893, 20942), (1406, 13301), (1739, 10754), (1786, 10471), (3478, 5377)]