18636233

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 25712640

約数和(自身を除く): 7076407

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 619, 1309, 1771, 2737, 4301, 4333, 6809, 10523, 14237, 30107, 47663, 73661, 99659, 115753, 156607, 242029, 810271, 1096249, 1694203, 2662319, 18636233]

約数ペア:

[(1, 18636233), (7, 2662319), (11, 1694203), (17, 1096249), (23, 810271), (77, 242029), (119, 156607), (161, 115753), (187, 99659), (253, 73661), (391, 47663), (619, 30107), (1309, 14237), (1771, 10523), (2737, 6809), (4301, 4333)]