18353218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 31643136

約数和(自身を除く): 13289918

約数列:

[1, 2, 13, 23, 26, 46, 47, 94, 299, 598, 611, 653, 1081, 1222, 1306, 2162, 8489, 14053, 15019, 16978, 28106, 30038, 30691, 61382, 195247, 390494, 398983, 705893, 797966, 1411786, 9176609, 18353218]

約数ペア:

[(1, 18353218), (2, 9176609), (13, 1411786), (23, 797966), (26, 705893), (46, 398983), (47, 390494), (94, 195247), (299, 61382), (598, 30691), (611, 30038), (653, 28106), (1081, 16978), (1222, 15019), (1306, 14053), (2162, 8489)]