19389260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2843}}^1$

素因数の和:2894

約数の個数: 48

約数和(自身を含む): 45868032

約数和(自身を除く): 26478772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2843, 3410, 5686, 6820, 11372, 14215, 28430, 31273, 56860, 62546, 88133, 125092, 156365, 176266, 312730, 352532, 440665, 625460, 881330, 969463, 1762660, 1938926, 3877852, 4847315, 9694630, 19389260]

約数ペア:

[(1, 19389260), (2, 9694630), (4, 4847315), (5, 3877852), (10, 1938926), (11, 1762660), (20, 969463), (22, 881330), (31, 625460), (44, 440665), (55, 352532), (62, 312730), (110, 176266), (124, 156365), (155, 125092), (220, 88133), (310, 62546), (341, 56860), (620, 31273), (682, 28430), (1364, 14215), (1705, 11372), (2843, 6820), (3410, 5686)]