19490730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13259}}^1$

素因数の和:13283

約数の個数: 48

約数和(自身を含む): 54419040

約数和(自身を除く): 34928310

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13259, 26518, 39777, 66295, 79554, 92813, 132590, 185626, 198885, 278439, 397770, 464065, 556878, 649691, 928130, 1299382, 1392195, 1949073, 2784390, 3248455, 3898146, 6496910, 9745365, 19490730]

約数ペア:

[(1, 19490730), (2, 9745365), (3, 6496910), (5, 3898146), (6, 3248455), (7, 2784390), (10, 1949073), (14, 1392195), (15, 1299382), (21, 928130), (30, 649691), (35, 556878), (42, 464065), (49, 397770), (70, 278439), (98, 198885), (105, 185626), (147, 132590), (210, 92813), (245, 79554), (294, 66295), (490, 39777), (735, 26518), (1470, 13259)]