18940160

素因数分解:

$2^8\times 5^1\times {\mathrm{14797}}^1$

素因数の和:14818

約数の個数: 36

約数和(自身を含む): 45370668

約数和(自身を除く): 26430508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 14797, 29594, 59188, 73985, 118376, 147970, 236752, 295940, 473504, 591880, 947008, 1183760, 1894016, 2367520, 3788032, 4735040, 9470080, 18940160]

約数ペア:

[(1, 18940160), (2, 9470080), (4, 4735040), (5, 3788032), (8, 2367520), (10, 1894016), (16, 1183760), (20, 947008), (32, 591880), (40, 473504), (64, 295940), (80, 236752), (128, 147970), (160, 118376), (256, 73985), (320, 59188), (640, 29594), (1280, 14797)]