19725734

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 36596736

約数和(自身を除く): 16871002

約数列:

[1, 2, 7, 14, 31, 43, 49, 62, 86, 98, 151, 217, 301, 302, 434, 602, 1057, 1333, 1519, 2107, 2114, 2666, 3038, 4214, 4681, 6493, 7399, 9331, 9362, 12986, 14798, 18662, 32767, 45451, 65317, 65534, 90902, 130634, 201283, 229369, 318157, 402566, 458738, 636314, 1408981, 2817962, 9862867, 19725734]

約数ペア:

[(1, 19725734), (2, 9862867), (7, 2817962), (14, 1408981), (31, 636314), (43, 458738), (49, 402566), (62, 318157), (86, 229369), (98, 201283), (151, 130634), (217, 90902), (301, 65534), (302, 65317), (434, 45451), (602, 32767), (1057, 18662), (1333, 14798), (1519, 12986), (2107, 9362), (2114, 9331), (2666, 7399), (3038, 6493), (4214, 4681)]