19900246730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21868403}}^1$

素因数の和:21868430

約数の個数: 32

約数和(自身を含む): 44086702464

約数和(自身を除く): 24186455734

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21868403, 43736806, 109342015, 153078821, 218684030, 284289239, 306157642, 568578478, 765394105, 1421446195, 1530788210, 1990024673, 2842892390, 3980049346, 9950123365, 19900246730]

約数ペア:

[(1, 19900246730), (2, 9950123365), (5, 3980049346), (7, 2842892390), (10, 1990024673), (13, 1530788210), (14, 1421446195), (26, 765394105), (35, 568578478), (65, 306157642), (70, 284289239), (91, 218684030), (130, 153078821), (182, 109342015), (455, 43736806), (910, 21868403)]