19427870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1097}}^1$

素因数の和:1145

約数の個数: 64

約数和(自身を含む): 45536256

約数和(自身を除く): 26108386

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 253, 322, 385, 506, 770, 805, 1097, 1265, 1610, 1771, 2194, 2530, 3542, 5485, 7679, 8855, 10970, 12067, 15358, 17710, 24134, 25231, 38395, 50462, 60335, 76790, 84469, 120670, 126155, 168938, 176617, 252310, 277541, 353234, 422345, 555082, 844690, 883085, 1387705, 1766170, 1942787, 2775410, 3885574, 9713935, 19427870]

約数ペア:

[(1, 19427870), (2, 9713935), (5, 3885574), (7, 2775410), (10, 1942787), (11, 1766170), (14, 1387705), (22, 883085), (23, 844690), (35, 555082), (46, 422345), (55, 353234), (70, 277541), (77, 252310), (110, 176617), (115, 168938), (154, 126155), (161, 120670), (230, 84469), (253, 76790), (322, 60335), (385, 50462), (506, 38395), (770, 25231), (805, 24134), (1097, 17710), (1265, 15358), (1610, 12067), (1771, 10970), (2194, 8855), (2530, 7679), (3542, 5485)]