13811290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 26392320

約数和(自身を除く): 12581030

約数列:

[1, 2, 5, 10, 19, 38, 95, 157, 190, 314, 463, 785, 926, 1570, 2315, 2983, 4630, 5966, 8797, 14915, 17594, 29830, 43985, 72691, 87970, 145382, 363455, 726910, 1381129, 2762258, 6905645, 13811290]

約数ペア:

[(1, 13811290), (2, 6905645), (5, 2762258), (10, 1381129), (19, 726910), (38, 363455), (95, 145382), (157, 87970), (190, 72691), (314, 43985), (463, 29830), (785, 17594), (926, 14915), (1570, 8797), (2315, 5966), (2983, 4630)]