18738813

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4603}}^1$

素因数の和:4688

約数の個数: 16

約数和(自身を含む): 26519040

約数和(自身を除く): 7780227

約数列:

[1, 3, 23, 59, 69, 177, 1357, 4071, 4603, 13809, 105869, 271577, 317607, 814731, 6246271, 18738813]

約数ペア:

[(1, 18738813), (3, 6246271), (23, 814731), (59, 317607), (69, 271577), (177, 105869), (1357, 13809), (4071, 4603)]