19808196

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 29724924

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 89, 102, 178, 204, 267, 356, 534, 1068, 1091, 1513, 2182, 3026, 3273, 4364, 4539, 6052, 6546, 9078, 13092, 18156, 18547, 37094, 55641, 74188, 97099, 111282, 194198, 222564, 291297, 388396, 582594, 1165188, 1650683, 3301366, 4952049, 6602732, 9904098, 19808196]

約数ペア:

[(1, 19808196), (2, 9904098), (3, 6602732), (4, 4952049), (6, 3301366), (12, 1650683), (17, 1165188), (34, 582594), (51, 388396), (68, 291297), (89, 222564), (102, 194198), (178, 111282), (204, 97099), (267, 74188), (356, 55641), (534, 37094), (1068, 18547), (1091, 18156), (1513, 13092), (2182, 9078), (3026, 6546), (3273, 6052), (4364, 4539)]