18715691848

素因数分解:

$2^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1459427}}^1$

素因数の和:1459669

約数の個数: 32

約数和(自身を含む): 40280212800

約数和(自身を除く): 21564520952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 229, 458, 916, 1603, 1832, 3206, 6412, 12824, 1459427, 2918854, 5837708, 10215989, 11675416, 20431978, 40863956, 81727912, 334208783, 668417566, 1336835132, 2339461481, 2673670264, 4678922962, 9357845924, 18715691848]

約数ペア:

[(1, 18715691848), (2, 9357845924), (4, 4678922962), (7, 2673670264), (8, 2339461481), (14, 1336835132), (28, 668417566), (56, 334208783), (229, 81727912), (458, 40863956), (916, 20431978), (1603, 11675416), (1832, 10215989), (3206, 5837708), (6412, 2918854), (12824, 1459427)]