19586680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9239}}^1$

素因数の和:9303

約数の個数: 32

約数和(自身を含む): 44906400

約数和(自身を除く): 25319720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9239, 18478, 36956, 46195, 73912, 92390, 184780, 369560, 489667, 979334, 1958668, 2448335, 3917336, 4896670, 9793340, 19586680]

約数ペア:

[(1, 19586680), (2, 9793340), (4, 4896670), (5, 3917336), (8, 2448335), (10, 1958668), (20, 979334), (40, 489667), (53, 369560), (106, 184780), (212, 92390), (265, 73912), (424, 46195), (530, 36956), (1060, 18478), (2120, 9239)]