19519456

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2411}}^1$

素因数の和:2455

約数の個数: 48

約数和(自身を含む): 43763328

約数和(自身を除く): 24243872

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 88, 92, 176, 184, 253, 352, 368, 506, 736, 1012, 2024, 2411, 4048, 4822, 8096, 9644, 19288, 26521, 38576, 53042, 55453, 77152, 106084, 110906, 212168, 221812, 424336, 443624, 609983, 848672, 887248, 1219966, 1774496, 2439932, 4879864, 9759728, 19519456]

約数ペア:

[(1, 19519456), (2, 9759728), (4, 4879864), (8, 2439932), (11, 1774496), (16, 1219966), (22, 887248), (23, 848672), (32, 609983), (44, 443624), (46, 424336), (88, 221812), (92, 212168), (176, 110906), (184, 106084), (253, 77152), (352, 55453), (368, 53042), (506, 38576), (736, 26521), (1012, 19288), (2024, 9644), (2411, 8096), (4048, 4822)]