19307211

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 15529269

約数列:

[1, 3, 7, 11, 19, 21, 33, 53, 57, 77, 83, 133, 159, 209, 231, 249, 371, 399, 581, 583, 627, 913, 1007, 1113, 1463, 1577, 1743, 1749, 2739, 3021, 4081, 4389, 4399, 4731, 6391, 7049, 11039, 11077, 12243, 13197, 17347, 19173, 21147, 30793, 33117, 33231, 48389, 52041, 77539, 83581, 92379, 121429, 145167, 232617, 250743, 338723, 364287, 585067, 919391, 1016169, 1755201, 2758173, 6435737, 19307211]

約数ペア:

[(1, 19307211), (3, 6435737), (7, 2758173), (11, 1755201), (19, 1016169), (21, 919391), (33, 585067), (53, 364287), (57, 338723), (77, 250743), (83, 232617), (133, 145167), (159, 121429), (209, 92379), (231, 83581), (249, 77539), (371, 52041), (399, 48389), (581, 33231), (583, 33117), (627, 30793), (913, 21147), (1007, 19173), (1113, 17347), (1463, 13197), (1577, 12243), (1743, 11077), (1749, 11039), (2739, 7049), (3021, 6391), (4081, 4731), (4389, 4399)]