19611970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{557}}^1$

素因数の和:1074

約数の個数: 32

約数和(自身を含む): 40497408

約数和(自身を除く): 20885438

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 503, 557, 1006, 1114, 2515, 2785, 3521, 3899, 5030, 5570, 7042, 7798, 17605, 19495, 35210, 38990, 280171, 560342, 1400855, 1961197, 2801710, 3922394, 9805985, 19611970]

約数ペア:

[(1, 19611970), (2, 9805985), (5, 3922394), (7, 2801710), (10, 1961197), (14, 1400855), (35, 560342), (70, 280171), (503, 38990), (557, 35210), (1006, 19495), (1114, 17605), (2515, 7798), (2785, 7042), (3521, 5570), (3899, 5030)]