18961285811

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{16411}}^1$

素因数の和:16563

約数の個数: 32

約数和(自身を含む): 21881266176

約数和(自身を除く): 2919980365

約数列:

[1, 13, 31, 47, 61, 403, 611, 793, 1457, 1891, 2867, 16411, 18941, 24583, 37271, 88877, 213343, 508741, 771317, 1001071, 1155401, 6613633, 10027121, 13013923, 23910827, 31033201, 47050337, 310840751, 403431613, 611654381, 1458560447, 18961285811]

約数ペア:

[(1, 18961285811), (13, 1458560447), (31, 611654381), (47, 403431613), (61, 310840751), (403, 47050337), (611, 31033201), (793, 23910827), (1457, 13013923), (1891, 10027121), (2867, 6613633), (16411, 1155401), (18941, 1001071), (24583, 771317), (37271, 508741), (88877, 213343)]