19780848

素因数分解:

$2^4\times 3^4\times {\mathrm{15263}}^1$

素因数の和:15283

約数の個数: 50

約数和(自身を含む): 57255264

約数和(自身を除く): 37474416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 15263, 30526, 45789, 61052, 91578, 122104, 137367, 183156, 244208, 274734, 366312, 412101, 549468, 732624, 824202, 1098936, 1236303, 1648404, 2197872, 2472606, 3296808, 4945212, 6593616, 9890424, 19780848]

約数ペア:

[(1, 19780848), (2, 9890424), (3, 6593616), (4, 4945212), (6, 3296808), (8, 2472606), (9, 2197872), (12, 1648404), (16, 1236303), (18, 1098936), (24, 824202), (27, 732624), (36, 549468), (48, 412101), (54, 366312), (72, 274734), (81, 244208), (108, 183156), (144, 137367), (162, 122104), (216, 91578), (324, 61052), (432, 45789), (648, 30526), (1296, 15263)]