18352690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1326

約数の個数: 32

約数和(自身を含む): 35400240

約数和(自身を除く): 17047550

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1213, 1513, 2426, 3026, 6065, 7565, 12130, 15130, 20621, 41242, 103105, 107957, 206210, 215914, 539785, 1079570, 1835269, 3670538, 9176345, 18352690]

約数ペア:

[(1, 18352690), (2, 9176345), (5, 3670538), (10, 1835269), (17, 1079570), (34, 539785), (85, 215914), (89, 206210), (170, 107957), (178, 103105), (445, 41242), (890, 20621), (1213, 15130), (1513, 12130), (2426, 7565), (3026, 6065)]