18928884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 29334156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1709, 1846, 2769, 3418, 3692, 5127, 5538, 6836, 10254, 11076, 20508, 22217, 44434, 66651, 88868, 121339, 133302, 242678, 266604, 364017, 485356, 728034, 1456068, 1577407, 3154814, 4732221, 6309628, 9464442, 18928884]

約数ペア:

[(1, 18928884), (2, 9464442), (3, 6309628), (4, 4732221), (6, 3154814), (12, 1577407), (13, 1456068), (26, 728034), (39, 485356), (52, 364017), (71, 266604), (78, 242678), (142, 133302), (156, 121339), (213, 88868), (284, 66651), (426, 44434), (852, 22217), (923, 20508), (1709, 11076), (1846, 10254), (2769, 6836), (3418, 5538), (3692, 5127)]