18453710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 37116576

約数和(自身を除く): 18662866

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 121, 151, 202, 242, 302, 505, 605, 755, 1010, 1111, 1210, 1510, 1661, 2222, 3322, 5555, 8305, 11110, 12221, 15251, 16610, 18271, 24442, 30502, 36542, 61105, 76255, 91355, 122210, 152510, 167761, 182710, 335522, 838805, 1677610, 1845371, 3690742, 9226855, 18453710]

約数ペア:

[(1, 18453710), (2, 9226855), (5, 3690742), (10, 1845371), (11, 1677610), (22, 838805), (55, 335522), (101, 182710), (110, 167761), (121, 152510), (151, 122210), (202, 91355), (242, 76255), (302, 61105), (505, 36542), (605, 30502), (755, 24442), (1010, 18271), (1111, 16610), (1210, 15251), (1510, 12221), (1661, 11110), (2222, 8305), (3322, 5555)]