19946916

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2963}}^1$

素因数の和:3001

約数の個数: 72

約数和(自身を含む): 58260384

約数和(自身を除く): 38313468

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 153, 187, 198, 204, 306, 374, 396, 561, 612, 748, 1122, 1683, 2244, 2963, 3366, 5926, 6732, 8889, 11852, 17778, 26667, 32593, 35556, 50371, 53334, 65186, 97779, 100742, 106668, 130372, 151113, 195558, 201484, 293337, 302226, 391116, 453339, 554081, 586674, 604452, 906678, 1108162, 1173348, 1662243, 1813356, 2216324, 3324486, 4986729, 6648972, 9973458, 19946916]

約数ペア:

[(1, 19946916), (2, 9973458), (3, 6648972), (4, 4986729), (6, 3324486), (9, 2216324), (11, 1813356), (12, 1662243), (17, 1173348), (18, 1108162), (22, 906678), (33, 604452), (34, 586674), (36, 554081), (44, 453339), (51, 391116), (66, 302226), (68, 293337), (99, 201484), (102, 195558), (132, 151113), (153, 130372), (187, 106668), (198, 100742), (204, 97779), (306, 65186), (374, 53334), (396, 50371), (561, 35556), (612, 32593), (748, 26667), (1122, 17778), (1683, 11852), (2244, 8889), (2963, 6732), (3366, 5926)]