18331292

素因数分解:

$2^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 20375908

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 343, 431, 434, 686, 862, 868, 1372, 1519, 1724, 3017, 3038, 6034, 6076, 10633, 12068, 13361, 21119, 21266, 26722, 42238, 42532, 53444, 84476, 93527, 147833, 187054, 295666, 374108, 591332, 654689, 1309378, 2618756, 4582823, 9165646, 18331292]

約数ペア:

[(1, 18331292), (2, 9165646), (4, 4582823), (7, 2618756), (14, 1309378), (28, 654689), (31, 591332), (49, 374108), (62, 295666), (98, 187054), (124, 147833), (196, 93527), (217, 84476), (343, 53444), (431, 42532), (434, 42238), (686, 26722), (862, 21266), (868, 21119), (1372, 13361), (1519, 12068), (1724, 10633), (3017, 6076), (3038, 6034)]