19920230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 40046832

約数和(自身を除く): 20126602

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 121, 163, 202, 242, 326, 505, 605, 815, 1010, 1111, 1210, 1630, 1793, 2222, 3586, 5555, 8965, 11110, 12221, 16463, 17930, 19723, 24442, 32926, 39446, 61105, 82315, 98615, 122210, 164630, 181093, 197230, 362186, 905465, 1810930, 1992023, 3984046, 9960115, 19920230]

約数ペア:

[(1, 19920230), (2, 9960115), (5, 3984046), (10, 1992023), (11, 1810930), (22, 905465), (55, 362186), (101, 197230), (110, 181093), (121, 164630), (163, 122210), (202, 98615), (242, 82315), (326, 61105), (505, 39446), (605, 32926), (815, 24442), (1010, 19723), (1111, 17930), (1210, 16463), (1630, 12221), (1793, 11110), (2222, 8965), (3586, 5555)]