19988034

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7043}}^1$

素因数の和:7102

約数の個数: 32

約数和(自身を含む): 44630784

約数和(自身を除く): 24642750

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 7043, 14086, 21129, 42258, 77473, 154946, 232419, 302849, 464838, 605698, 908547, 1817094, 3331339, 6662678, 9994017, 19988034]

約数ペア:

[(1, 19988034), (2, 9994017), (3, 6662678), (6, 3331339), (11, 1817094), (22, 908547), (33, 605698), (43, 464838), (66, 302849), (86, 232419), (129, 154946), (258, 77473), (473, 42258), (946, 21129), (1419, 14086), (2838, 7043)]