2018081979

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{21977}}^1$

素因数の和:22184

約数の個数: 32

約数和(自身を含む): 3164832000

約数和(自身を除く): 1146750021

約数列:

[1, 3, 9, 19, 27, 57, 171, 179, 513, 537, 1611, 3401, 4833, 10203, 21977, 30609, 65931, 91827, 197793, 417563, 593379, 1252689, 3758067, 3933883, 11274201, 11801649, 35404947, 74743777, 106214841, 224231331, 672693993, 2018081979]

約数ペア:

[(1, 2018081979), (3, 672693993), (9, 224231331), (19, 106214841), (27, 74743777), (57, 35404947), (171, 11801649), (179, 11274201), (513, 3933883), (537, 3758067), (1611, 1252689), (3401, 593379), (4833, 417563), (10203, 197793), (21977, 91827), (30609, 65931)]