19004928747

素因数分解:

$3^1\times 7^1\times {\mathrm{5801}}^1\times {\mathrm{156007}}^1$

素因数の和:161818

約数の個数: 16

約数和(自身を含む): 28965069312

約数和(自身を除く): 9960140565

約数列:

[1, 3, 7, 21, 5801, 17403, 40607, 121821, 156007, 468021, 1092049, 3276147, 904996607, 2714989821, 6334976249, 19004928747]

約数ペア:

[(1, 19004928747), (3, 6334976249), (7, 2714989821), (21, 904996607), (5801, 3276147), (17403, 1092049), (40607, 468021), (121821, 156007)]