19665540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109253}}^1$

素因数の和:109268

約数の個数: 36

約数和(自身を含む): 59652684

約数和(自身を除く): 39987144

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109253, 218506, 327759, 437012, 546265, 655518, 983277, 1092530, 1311036, 1638795, 1966554, 2185060, 3277590, 3933108, 4916385, 6555180, 9832770, 19665540]

約数ペア:

[(1, 19665540), (2, 9832770), (3, 6555180), (4, 4916385), (5, 3933108), (6, 3277590), (9, 2185060), (10, 1966554), (12, 1638795), (15, 1311036), (18, 1092530), (20, 983277), (30, 655518), (36, 546265), (45, 437012), (60, 327759), (90, 218506), (180, 109253)]