18950745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2671}}^1$

素因数の和:2733

約数の個数: 32

約数和(自身を含む): 33859584

約数和(自身を除く): 14908839

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 2671, 7095, 8013, 13355, 29381, 40065, 88143, 114853, 146905, 344559, 440715, 574265, 1263383, 1722795, 3790149, 6316915, 18950745]

約数ペア:

[(1, 18950745), (3, 6316915), (5, 3790149), (11, 1722795), (15, 1263383), (33, 574265), (43, 440715), (55, 344559), (129, 146905), (165, 114853), (215, 88143), (473, 40065), (645, 29381), (1419, 13355), (2365, 8013), (2671, 7095)]