19933551

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{887}}^1$

素因数の和:1131

約数の個数: 24

約数和(自身を含む): 31584384

約数和(自身を除く): 11650833

約数列:

[1, 3, 9, 11, 33, 99, 227, 681, 887, 2043, 2497, 2661, 7491, 7983, 9757, 22473, 29271, 87813, 201349, 604047, 1812141, 2214839, 6644517, 19933551]

約数ペア:

[(1, 19933551), (3, 6644517), (9, 2214839), (11, 1812141), (33, 604047), (99, 201349), (227, 87813), (681, 29271), (887, 22473), (2043, 9757), (2497, 7983), (2661, 7491)]