18491067

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{349}}^1$

素因数の和:420

約数の個数: 36

約数和(自身を含む): 31704400

約数和(自身を除く): 13213333

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 349, 609, 841, 1047, 1827, 2443, 2523, 3141, 5887, 7329, 7569, 10121, 17661, 21987, 30363, 52983, 70847, 91089, 212541, 293509, 637623, 880527, 2054563, 2641581, 6163689, 18491067]

約数ペア:

[(1, 18491067), (3, 6163689), (7, 2641581), (9, 2054563), (21, 880527), (29, 637623), (63, 293509), (87, 212541), (203, 91089), (261, 70847), (349, 52983), (609, 30363), (841, 21987), (1047, 17661), (1827, 10121), (2443, 7569), (2523, 7329), (3141, 5887)]