13858790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{349}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 28803600

約数和(自身を除く): 14944810

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 349, 361, 418, 698, 722, 1045, 1745, 1805, 2090, 3490, 3610, 3839, 3971, 6631, 7678, 7942, 13262, 19195, 19855, 33155, 38390, 39710, 66310, 72941, 125989, 145882, 251978, 364705, 629945, 729410, 1259890, 1385879, 2771758, 6929395, 13858790]

約数ペア:

[(1, 13858790), (2, 6929395), (5, 2771758), (10, 1385879), (11, 1259890), (19, 729410), (22, 629945), (38, 364705), (55, 251978), (95, 145882), (110, 125989), (190, 72941), (209, 66310), (349, 39710), (361, 38390), (418, 33155), (698, 19855), (722, 19195), (1045, 13262), (1745, 7942), (1805, 7678), (2090, 6631), (3490, 3971), (3610, 3839)]