18318160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4673}}^1$

素因数の和:4700

約数の個数: 60

約数和(自身を含む): 49553748

約数和(自身を除く): 31235588

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4673, 9346, 18692, 23365, 32711, 37384, 46730, 65422, 74768, 93460, 130844, 163555, 186920, 228977, 261688, 327110, 373840, 457954, 523376, 654220, 915908, 1144885, 1308440, 1831816, 2289770, 2616880, 3663632, 4579540, 9159080, 18318160]

約数ペア:

[(1, 18318160), (2, 9159080), (4, 4579540), (5, 3663632), (7, 2616880), (8, 2289770), (10, 1831816), (14, 1308440), (16, 1144885), (20, 915908), (28, 654220), (35, 523376), (40, 457954), (49, 373840), (56, 327110), (70, 261688), (80, 228977), (98, 186920), (112, 163555), (140, 130844), (196, 93460), (245, 74768), (280, 65422), (392, 46730), (490, 37384), (560, 32711), (784, 23365), (980, 18692), (1960, 9346), (3920, 4673)]