16987190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 34186320

約数和(自身を除く): 17199130

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 121, 139, 202, 242, 278, 505, 605, 695, 1010, 1111, 1210, 1390, 1529, 2222, 3058, 5555, 7645, 11110, 12221, 14039, 15290, 16819, 24442, 28078, 33638, 61105, 70195, 84095, 122210, 140390, 154429, 168190, 308858, 772145, 1544290, 1698719, 3397438, 8493595, 16987190]

約数ペア:

[(1, 16987190), (2, 8493595), (5, 3397438), (10, 1698719), (11, 1544290), (22, 772145), (55, 308858), (101, 168190), (110, 154429), (121, 140390), (139, 122210), (202, 84095), (242, 70195), (278, 61105), (505, 33638), (605, 28078), (695, 24442), (1010, 16819), (1111, 15290), (1210, 14039), (1390, 12221), (1529, 11110), (2222, 7645), (3058, 5555)]