18994760

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6011}}^1$

素因数の和:6101

約数の個数: 32

約数和(自身を含む): 43286400

約数和(自身を除く): 24291640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6011, 12022, 24044, 30055, 48088, 60110, 120220, 240440, 474869, 949738, 1899476, 2374345, 3798952, 4748690, 9497380, 18994760]

約数ペア:

[(1, 18994760), (2, 9497380), (4, 4748690), (5, 3798952), (8, 2374345), (10, 1899476), (20, 949738), (40, 474869), (79, 240440), (158, 120220), (316, 60110), (395, 48088), (632, 30055), (790, 24044), (1580, 12022), (3160, 6011)]