19700008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3533}}^1$

素因数の和:3597

約数の個数: 32

約数和(自身を含む): 40075560

約数和(自身を除く): 20375552

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 328, 697, 1394, 2788, 3533, 5576, 7066, 14132, 28264, 60061, 120122, 144853, 240244, 289706, 480488, 579412, 1158824, 2462501, 4925002, 9850004, 19700008]

約数ペア:

[(1, 19700008), (2, 9850004), (4, 4925002), (8, 2462501), (17, 1158824), (34, 579412), (41, 480488), (68, 289706), (82, 240244), (136, 144853), (164, 120122), (328, 60061), (697, 28264), (1394, 14132), (2788, 7066), (3533, 5576)]