18200144

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{12781}}^1$

素因数の和:12878

約数の個数: 20

約数和(自身を含む): 35661780

約数和(自身を除く): 17461636

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 12781, 25562, 51124, 102248, 204496, 1137509, 2275018, 4550036, 9100072, 18200144]

約数ペア:

[(1, 18200144), (2, 9100072), (4, 4550036), (8, 2275018), (16, 1137509), (89, 204496), (178, 102248), (356, 51124), (712, 25562), (1424, 12781)]