18681970

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 34700400

約数和(自身を除く): 16018430

約数列:

[1, 2, 5, 10, 53, 101, 106, 202, 265, 349, 505, 530, 698, 1010, 1745, 3490, 5353, 10706, 18497, 26765, 35249, 36994, 53530, 70498, 92485, 176245, 184970, 352490, 1868197, 3736394, 9340985, 18681970]

約数ペア:

[(1, 18681970), (2, 9340985), (5, 3736394), (10, 1868197), (53, 352490), (101, 184970), (106, 176245), (202, 92485), (265, 70498), (349, 53530), (505, 36994), (530, 35249), (698, 26765), (1010, 18497), (1745, 10706), (3490, 5353)]