18337060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{577}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 44279424

約数和(自身を除く): 25942364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 577, 908, 1135, 1154, 1589, 2270, 2308, 2885, 3178, 4039, 4540, 5770, 6356, 7945, 8078, 11540, 15890, 16156, 20195, 31780, 40390, 80780, 130979, 261958, 523916, 654895, 916853, 1309790, 1833706, 2619580, 3667412, 4584265, 9168530, 18337060]

約数ペア:

[(1, 18337060), (2, 9168530), (4, 4584265), (5, 3667412), (7, 2619580), (10, 1833706), (14, 1309790), (20, 916853), (28, 654895), (35, 523916), (70, 261958), (140, 130979), (227, 80780), (454, 40390), (577, 31780), (908, 20195), (1135, 16156), (1154, 15890), (1589, 11540), (2270, 8078), (2308, 7945), (2885, 6356), (3178, 5770), (4039, 4540)]