18556616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9391}}^1$

素因数の和:9429

約数の個数: 32

約数和(自身を含む): 39446400

約数和(自身を除く): 20889784

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9391, 18782, 37564, 75128, 122083, 178429, 244166, 356858, 488332, 713716, 976664, 1427432, 2319577, 4639154, 9278308, 18556616]

約数ペア:

[(1, 18556616), (2, 9278308), (4, 4639154), (8, 2319577), (13, 1427432), (19, 976664), (26, 713716), (38, 488332), (52, 356858), (76, 244166), (104, 178429), (152, 122083), (247, 75128), (494, 37564), (988, 18782), (1976, 9391)]