19188687

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 30159360

約数和(自身を除く): 10970673

約数列:

[1, 3, 7, 21, 83, 101, 109, 249, 303, 327, 581, 707, 763, 1743, 2121, 2289, 8383, 9047, 11009, 25149, 27141, 33027, 58681, 63329, 77063, 176043, 189987, 231189, 913747, 2741241, 6396229, 19188687]

約数ペア:

[(1, 19188687), (3, 6396229), (7, 2741241), (21, 913747), (83, 231189), (101, 189987), (109, 176043), (249, 77063), (303, 63329), (327, 58681), (581, 33027), (707, 27141), (763, 25149), (1743, 11009), (2121, 9047), (2289, 8383)]