19723494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{1259}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 45239040

約数和(自身を除く): 25515546

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 373, 746, 1119, 1259, 2238, 2518, 2611, 3777, 5222, 7554, 7833, 8813, 15666, 17626, 26439, 52878, 469607, 939214, 1408821, 2817642, 3287249, 6574498, 9861747, 19723494]

約数ペア:

[(1, 19723494), (2, 9861747), (3, 6574498), (6, 3287249), (7, 2817642), (14, 1408821), (21, 939214), (42, 469607), (373, 52878), (746, 26439), (1119, 17626), (1259, 15666), (2238, 8813), (2518, 7833), (2611, 7554), (3777, 5222)]