19618902

素因数分解:

$2^1\times 3^3\times {\mathrm{363313}}^1$

素因数の和:363324

約数の個数: 16

約数和(自身を含む): 43597680

約数和(自身を除く): 23978778

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 363313, 726626, 1089939, 2179878, 3269817, 6539634, 9809451, 19618902]

約数ペア:

[(1, 19618902), (2, 9809451), (3, 6539634), (6, 3269817), (9, 2179878), (18, 1089939), (27, 726626), (54, 363313)]