18421843

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 21012480

約数和(自身を除く): 2590637

約数列:

[1, 11, 31, 89, 341, 607, 979, 2759, 6677, 18817, 30349, 54023, 206987, 594253, 1674713, 18421843]

約数ペア:

[(1, 18421843), (11, 1674713), (31, 594253), (89, 206987), (341, 54023), (607, 30349), (979, 18817), (2759, 6677)]