19321556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 37632000

約数和(自身を除く): 18310444

約数列:

[1, 2, 4, 19, 31, 38, 59, 62, 76, 118, 124, 139, 236, 278, 556, 589, 1121, 1178, 1829, 2242, 2356, 2641, 3658, 4309, 4484, 5282, 7316, 8201, 8618, 10564, 16402, 17236, 32804, 34751, 69502, 81871, 139004, 155819, 163742, 254231, 311638, 327484, 508462, 623276, 1016924, 4830389, 9660778, 19321556]

約数ペア:

[(1, 19321556), (2, 9660778), (4, 4830389), (19, 1016924), (31, 623276), (38, 508462), (59, 327484), (62, 311638), (76, 254231), (118, 163742), (124, 155819), (139, 139004), (236, 81871), (278, 69502), (556, 34751), (589, 32804), (1121, 17236), (1178, 16402), (1829, 10564), (2242, 8618), (2356, 8201), (2641, 7316), (3658, 5282), (4309, 4484)]