19866602

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 35485824

約数和(自身を除く): 15619222

約数列:

[1, 2, 7, 14, 43, 61, 86, 122, 301, 427, 541, 602, 854, 1082, 2623, 3787, 5246, 7574, 18361, 23263, 33001, 36722, 46526, 66002, 162841, 231007, 325682, 462014, 1419043, 2838086, 9933301, 19866602]

約数ペア:

[(1, 19866602), (2, 9933301), (7, 2838086), (14, 1419043), (43, 462014), (61, 325682), (86, 231007), (122, 162841), (301, 66002), (427, 46526), (541, 36722), (602, 33001), (854, 23263), (1082, 18361), (2623, 7574), (3787, 5246)]