19729126571

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1\times {\mathrm{4229}}^1$

素因数の和:5699

約数の個数: 32

約数和(自身を含む): 25193203200

約数和(自身を除く): 5464076629

約数列:

[1, 7, 11, 43, 77, 301, 473, 1409, 3311, 4229, 9863, 15499, 29603, 46519, 60587, 108493, 181847, 325633, 424109, 666457, 1272929, 2000317, 4665199, 5958661, 14002219, 41710627, 65545271, 256222423, 458816897, 1793556961, 2818446653, 19729126571]

約数ペア:

[(1, 19729126571), (7, 2818446653), (11, 1793556961), (43, 458816897), (77, 256222423), (301, 65545271), (473, 41710627), (1409, 14002219), (3311, 5958661), (4229, 4665199), (9863, 2000317), (15499, 1272929), (29603, 666457), (46519, 424109), (60587, 325633), (108493, 181847)]