18752937

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 31026240

約数和(自身を除く): 12273303

約数列:

[1, 3, 7, 21, 29, 49, 53, 83, 87, 147, 159, 203, 249, 371, 581, 609, 1113, 1421, 1537, 1743, 2407, 2597, 4067, 4263, 4399, 4611, 7221, 7791, 10759, 12201, 13197, 16849, 30793, 32277, 50547, 75313, 92379, 117943, 127571, 215551, 225939, 353829, 382713, 646653, 892997, 2678991, 6250979, 18752937]

約数ペア:

[(1, 18752937), (3, 6250979), (7, 2678991), (21, 892997), (29, 646653), (49, 382713), (53, 353829), (83, 225939), (87, 215551), (147, 127571), (159, 117943), (203, 92379), (249, 75313), (371, 50547), (581, 32277), (609, 30793), (1113, 16849), (1421, 13197), (1537, 12201), (1743, 10759), (2407, 7791), (2597, 7221), (4067, 4611), (4263, 4399)]