209213218

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 336746880

約数和(自身を除く): 127533662

約数列:

[1, 2, 19, 38, 101, 151, 202, 302, 361, 722, 1919, 2869, 3838, 5738, 6859, 13718, 15251, 30502, 36461, 54511, 72922, 109022, 289769, 579538, 692759, 1035709, 1385518, 2071418, 5505611, 11011222, 104606609, 209213218]

約数ペア:

[(1, 209213218), (2, 104606609), (19, 11011222), (38, 5505611), (101, 2071418), (151, 1385518), (202, 1035709), (302, 692759), (361, 579538), (722, 289769), (1919, 109022), (2869, 72922), (3838, 54511), (5738, 36461), (6859, 30502), (13718, 15251)]