219873388

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{30319}}^1$

素因数の和:30374

約数の個数: 36

約数和(自身を含む): 459711840

約数和(自身を除く): 239838452

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 3626, 7252, 30319, 60638, 121276, 212233, 424466, 848932, 1121803, 1485631, 2243606, 2971262, 4487212, 5942524, 7852621, 15705242, 31410484, 54968347, 109936694, 219873388]

約数ペア:

[(1, 219873388), (2, 109936694), (4, 54968347), (7, 31410484), (14, 15705242), (28, 7852621), (37, 5942524), (49, 4487212), (74, 2971262), (98, 2243606), (148, 1485631), (196, 1121803), (259, 848932), (518, 424466), (1036, 212233), (1813, 121276), (3626, 60638), (7252, 30319)]