19858124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 41277600

約数和(自身を除く): 21419476

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 149, 233, 286, 298, 466, 572, 596, 932, 1639, 1937, 2563, 3029, 3278, 3874, 5126, 6058, 6556, 7748, 10252, 12116, 21307, 33319, 34717, 42614, 66638, 69434, 85228, 133276, 138868, 381887, 451321, 763774, 902642, 1527548, 1805284, 4964531, 9929062, 19858124]

約数ペア:

[(1, 19858124), (2, 9929062), (4, 4964531), (11, 1805284), (13, 1527548), (22, 902642), (26, 763774), (44, 451321), (52, 381887), (143, 138868), (149, 133276), (233, 85228), (286, 69434), (298, 66638), (466, 42614), (572, 34717), (596, 33319), (932, 21307), (1639, 12116), (1937, 10252), (2563, 7748), (3029, 6556), (3278, 6058), (3874, 5126)]