19750744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{359}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 41806800

約数和(自身を除く): 22056056

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 359, 529, 598, 718, 1058, 1196, 1436, 2116, 2392, 2872, 4232, 4667, 6877, 8257, 9334, 13754, 16514, 18668, 27508, 33028, 37336, 55016, 66056, 107341, 189911, 214682, 379822, 429364, 759644, 858728, 1519288, 2468843, 4937686, 9875372, 19750744]

約数ペア:

[(1, 19750744), (2, 9875372), (4, 4937686), (8, 2468843), (13, 1519288), (23, 858728), (26, 759644), (46, 429364), (52, 379822), (92, 214682), (104, 189911), (184, 107341), (299, 66056), (359, 55016), (529, 37336), (598, 33028), (718, 27508), (1058, 18668), (1196, 16514), (1436, 13754), (2116, 9334), (2392, 8257), (2872, 6877), (4232, 4667)]