18979956

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31013}}^1$

素因数の和:31040

約数の個数: 36

約数和(自身を含む): 50800932

約数和(自身を除く): 31820976

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 31013, 62026, 93039, 124052, 186078, 279117, 372156, 527221, 558234, 1054442, 1116468, 1581663, 2108884, 3163326, 4744989, 6326652, 9489978, 18979956]

約数ペア:

[(1, 18979956), (2, 9489978), (3, 6326652), (4, 4744989), (6, 3163326), (9, 2108884), (12, 1581663), (17, 1116468), (18, 1054442), (34, 558234), (36, 527221), (51, 372156), (68, 279117), (102, 186078), (153, 124052), (204, 93039), (306, 62026), (612, 31013)]