19896516

素因数分解:

$2^2\times 3^4\times {\mathrm{61409}}^1$

素因数の和:61425

約数の個数: 30

約数和(自身を含む): 52014270

約数和(自身を除く): 32117754

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 61409, 122818, 184227, 245636, 368454, 552681, 736908, 1105362, 1658043, 2210724, 3316086, 4974129, 6632172, 9948258, 19896516]

約数ペア:

[(1, 19896516), (2, 9948258), (3, 6632172), (4, 4974129), (6, 3316086), (9, 2210724), (12, 1658043), (18, 1105362), (27, 736908), (36, 552681), (54, 368454), (81, 245636), (108, 184227), (162, 122818), (324, 61409)]