18863283

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 8508237

約数列:

[1, 3, 31, 43, 53, 89, 93, 129, 159, 267, 1333, 1643, 2279, 2759, 3827, 3999, 4717, 4929, 6837, 8277, 11481, 14151, 70649, 118637, 146227, 202831, 211947, 355911, 438681, 608493, 6287761, 18863283]

約数ペア:

[(1, 18863283), (3, 6287761), (31, 608493), (43, 438681), (53, 355911), (89, 211947), (93, 202831), (129, 146227), (159, 118637), (267, 70649), (1333, 14151), (1643, 11481), (2279, 8277), (2759, 6837), (3827, 4929), (3999, 4717)]