19939554

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{6967}}^1$

素因数の和:7031

約数の個数: 32

約数和(自身を含む): 45152640

約数和(自身を除く): 25213086

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 6967, 13934, 20901, 41802, 62703, 125406, 188109, 369251, 376218, 738502, 1107753, 2215506, 3323259, 6646518, 9969777, 19939554]

約数ペア:

[(1, 19939554), (2, 9969777), (3, 6646518), (6, 3323259), (9, 2215506), (18, 1107753), (27, 738502), (53, 376218), (54, 369251), (106, 188109), (159, 125406), (318, 62703), (477, 41802), (954, 20901), (1431, 13934), (2862, 6967)]