18203560

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5483}}^1$

素因数の和:5577

約数の個数: 32

約数和(自身を含む): 41459040

約数和(自身を除く): 23255480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 5483, 10966, 21932, 27415, 43864, 54830, 109660, 219320, 455089, 910178, 1820356, 2275445, 3640712, 4550890, 9101780, 18203560]

約数ペア:

[(1, 18203560), (2, 9101780), (4, 4550890), (5, 3640712), (8, 2275445), (10, 1820356), (20, 910178), (40, 455089), (83, 219320), (166, 109660), (332, 54830), (415, 43864), (664, 27415), (830, 21932), (1660, 10966), (3320, 5483)]