18397280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10453}}^1$

素因数の和:10479

約数の個数: 48

約数和(自身を含む): 47419344

約数和(自身を除く): 29022064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10453, 20906, 41812, 52265, 83624, 104530, 114983, 167248, 209060, 229966, 334496, 418120, 459932, 574915, 836240, 919864, 1149830, 1672480, 1839728, 2299660, 3679456, 4599320, 9198640, 18397280]

約数ペア:

[(1, 18397280), (2, 9198640), (4, 4599320), (5, 3679456), (8, 2299660), (10, 1839728), (11, 1672480), (16, 1149830), (20, 919864), (22, 836240), (32, 574915), (40, 459932), (44, 418120), (55, 334496), (80, 229966), (88, 209060), (110, 167248), (160, 114983), (176, 104530), (220, 83624), (352, 52265), (440, 41812), (880, 20906), (1760, 10453)]