19538576

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2477}}^1$

素因数の和:2531

約数の個数: 40

約数和(自身を含む): 41481720

約数和(自身を除く): 21943144

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 2477, 3944, 4954, 7888, 9908, 19816, 39632, 42109, 71833, 84218, 143666, 168436, 287332, 336872, 574664, 673744, 1149328, 1221161, 2442322, 4884644, 9769288, 19538576]

約数ペア:

[(1, 19538576), (2, 9769288), (4, 4884644), (8, 2442322), (16, 1221161), (17, 1149328), (29, 673744), (34, 574664), (58, 336872), (68, 287332), (116, 168436), (136, 143666), (232, 84218), (272, 71833), (464, 42109), (493, 39632), (986, 19816), (1972, 9908), (2477, 7888), (3944, 4954)]