18492020920

素因数分解:

$2^3\times 5^1\times {\mathrm{14489}}^1\times {\mathrm{31907}}^1$

素因数の和:46407

約数の個数: 32

約数和(自身を含む): 41611222800

約数和(自身を除く): 23119201880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 14489, 28978, 31907, 57956, 63814, 72445, 115912, 127628, 144890, 159535, 255256, 289780, 319070, 579560, 638140, 1276280, 462300523, 924601046, 1849202092, 2311502615, 3698404184, 4623005230, 9246010460, 18492020920]

約数ペア:

[(1, 18492020920), (2, 9246010460), (4, 4623005230), (5, 3698404184), (8, 2311502615), (10, 1849202092), (20, 924601046), (40, 462300523), (14489, 1276280), (28978, 638140), (31907, 579560), (57956, 319070), (63814, 289780), (72445, 255256), (115912, 159535), (127628, 144890)]