18751898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 32667840

約数和(自身を除く): 13915942

約数列:

[1, 2, 11, 19, 22, 38, 113, 209, 226, 397, 418, 794, 1243, 2147, 2486, 4294, 4367, 7543, 8734, 15086, 23617, 44861, 47234, 82973, 89722, 165946, 493471, 852359, 986942, 1704718, 9375949, 18751898]

約数ペア:

[(1, 18751898), (2, 9375949), (11, 1704718), (19, 986942), (22, 852359), (38, 493471), (113, 165946), (209, 89722), (226, 82973), (397, 47234), (418, 44861), (794, 23617), (1243, 15086), (2147, 8734), (2486, 7543), (4294, 4367)]