19994615403

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1\times {\mathrm{24979}}^1$

素因数の和:25847

約数の個数: 32

約数和(自身を含む): 31155855360

約数和(自身を除く): 11161239957

約数列:

[1, 3, 7, 21, 47, 141, 329, 811, 987, 2433, 5677, 17031, 24979, 38117, 74937, 114351, 174853, 266819, 524559, 800457, 1174013, 3522039, 8218091, 20257969, 24654273, 60773907, 141805783, 425417349, 952124543, 2856373629, 6664871801, 19994615403]

約数ペア:

[(1, 19994615403), (3, 6664871801), (7, 2856373629), (21, 952124543), (47, 425417349), (141, 141805783), (329, 60773907), (811, 24654273), (987, 20257969), (2433, 8218091), (5677, 3522039), (17031, 1174013), (24979, 800457), (38117, 524559), (74937, 266819), (114351, 174853)]