19217396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 38588928

約数和(自身を除く): 19371532

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 73, 124, 146, 193, 292, 341, 386, 682, 772, 803, 1364, 1606, 2123, 2263, 3212, 4246, 4526, 5983, 8492, 9052, 11966, 14089, 23932, 24893, 28178, 49786, 56356, 65813, 99572, 131626, 154979, 263252, 309958, 436759, 619916, 873518, 1747036, 4804349, 9608698, 19217396]

約数ペア:

[(1, 19217396), (2, 9608698), (4, 4804349), (11, 1747036), (22, 873518), (31, 619916), (44, 436759), (62, 309958), (73, 263252), (124, 154979), (146, 131626), (193, 99572), (292, 65813), (341, 56356), (386, 49786), (682, 28178), (772, 24893), (803, 23932), (1364, 14089), (1606, 11966), (2123, 9052), (2263, 8492), (3212, 5983), (4246, 4526)]