19360144

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:787

約数の個数: 40

約数和(自身を含む): 40142520

約数和(自身を除く): 20782376

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 109, 136, 218, 272, 436, 653, 872, 1306, 1744, 1853, 2612, 3706, 5224, 7412, 10448, 11101, 14824, 22202, 29648, 44404, 71177, 88808, 142354, 177616, 284708, 569416, 1138832, 1210009, 2420018, 4840036, 9680072, 19360144]

約数ペア:

[(1, 19360144), (2, 9680072), (4, 4840036), (8, 2420018), (16, 1210009), (17, 1138832), (34, 569416), (68, 284708), (109, 177616), (136, 142354), (218, 88808), (272, 71177), (436, 44404), (653, 29648), (872, 22202), (1306, 14824), (1744, 11101), (1853, 10448), (2612, 7412), (3706, 5224)]