18737170

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 35089200

約数和(自身を除く): 16352030

約数列:

[1, 2, 5, 10, 37, 74, 89, 178, 185, 370, 445, 569, 890, 1138, 2845, 3293, 5690, 6586, 16465, 21053, 32930, 42106, 50641, 101282, 105265, 210530, 253205, 506410, 1873717, 3747434, 9368585, 18737170]

約数ペア:

[(1, 18737170), (2, 9368585), (5, 3747434), (10, 1873717), (37, 506410), (74, 253205), (89, 210530), (178, 105265), (185, 101282), (370, 50641), (445, 42106), (569, 32930), (890, 21053), (1138, 16465), (2845, 6586), (3293, 5690)]