1981545980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1869383}}^1$

素因数の和:1869445

約数の個数: 24

約数和(自身を含む): 4239762912

約数和(自身を除く): 2258216932

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1869383, 3738766, 7477532, 9346915, 18693830, 37387660, 99077299, 198154598, 396309196, 495386495, 990772990, 1981545980]

約数ペア:

[(1, 1981545980), (2, 990772990), (4, 495386495), (5, 396309196), (10, 198154598), (20, 99077299), (53, 37387660), (106, 18693830), (212, 9346915), (265, 7477532), (530, 3738766), (1060, 1869383)]