1819692940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{35527}}^1$

素因数の和:35746

約数の個数: 48

約数和(自身を含む): 4136311872

約数和(自身を除く): 2316618932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 788, 985, 1970, 2561, 3940, 5122, 10244, 12805, 25610, 35527, 51220, 71054, 142108, 177635, 355270, 461851, 710540, 923702, 1847404, 2309255, 4618510, 6998819, 9237020, 13997638, 27995276, 34994095, 69988190, 90984647, 139976380, 181969294, 363938588, 454923235, 909846470, 1819692940]

約数ペア:

[(1, 1819692940), (2, 909846470), (4, 454923235), (5, 363938588), (10, 181969294), (13, 139976380), (20, 90984647), (26, 69988190), (52, 34994095), (65, 27995276), (130, 13997638), (197, 9237020), (260, 6998819), (394, 4618510), (788, 2309255), (985, 1847404), (1970, 923702), (2561, 710540), (3940, 461851), (5122, 355270), (10244, 177635), (12805, 142108), (25610, 71054), (35527, 51220)]