19422040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1193}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 49001760

約数和(自身を除く): 29579720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1193, 1480, 1628, 2035, 2386, 3256, 4070, 4772, 5965, 8140, 9544, 11930, 13123, 16280, 23860, 26246, 44141, 47720, 52492, 65615, 88282, 104984, 131230, 176564, 220705, 262460, 353128, 441410, 485551, 524920, 882820, 971102, 1765640, 1942204, 2427755, 3884408, 4855510, 9711020, 19422040]

約数ペア:

[(1, 19422040), (2, 9711020), (4, 4855510), (5, 3884408), (8, 2427755), (10, 1942204), (11, 1765640), (20, 971102), (22, 882820), (37, 524920), (40, 485551), (44, 441410), (55, 353128), (74, 262460), (88, 220705), (110, 176564), (148, 131230), (185, 104984), (220, 88282), (296, 65615), (370, 52492), (407, 47720), (440, 44141), (740, 26246), (814, 23860), (1193, 16280), (1480, 13123), (1628, 11930), (2035, 9544), (2386, 8140), (3256, 5965), (4070, 4772)]