18815295

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 31832064

約数和(自身を除く): 13016769

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 941, 1333, 2823, 3999, 4705, 6665, 14115, 19995, 29171, 40463, 87513, 121389, 145855, 202315, 437565, 606945, 1254353, 3763059, 6271765, 18815295]

約数ペア:

[(1, 18815295), (3, 6271765), (5, 3763059), (15, 1254353), (31, 606945), (43, 437565), (93, 202315), (129, 145855), (155, 121389), (215, 87513), (465, 40463), (645, 29171), (941, 19995), (1333, 14115), (2823, 6665), (3999, 4705)]