19861346

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 33048000

約数和(自身を除く): 13186654

約数列:

[1, 2, 19, 29, 38, 58, 67, 134, 269, 538, 551, 1102, 1273, 1943, 2546, 3886, 5111, 7801, 10222, 15602, 18023, 36046, 36917, 73834, 148219, 296438, 342437, 522667, 684874, 1045334, 9930673, 19861346]

約数ペア:

[(1, 19861346), (2, 9930673), (19, 1045334), (29, 684874), (38, 522667), (58, 342437), (67, 296438), (134, 148219), (269, 73834), (538, 36917), (551, 36046), (1102, 18023), (1273, 15602), (1943, 10222), (2546, 7801), (3886, 5111)]