19699729

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1831}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 23742720

約数和(自身を除く): 4042991

約数列:

[1, 7, 29, 53, 203, 371, 1537, 1831, 10759, 12817, 53099, 97043, 371693, 679301, 2814247, 19699729]

約数ペア:

[(1, 19699729), (7, 2814247), (29, 679301), (53, 371693), (203, 97043), (371, 53099), (1537, 12817), (1831, 10759)]