19691329580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2443093}}^1$

素因数の和:2443146

約数の個数: 48

約数和(自身を含む): 45969256704

約数和(自身を除く): 26277927124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 2443093, 4886186, 9772372, 12215465, 24430930, 31760209, 48861860, 63520418, 75735883, 127040836, 151471766, 158801045, 302943532, 317602090, 378679415, 635204180, 757358830, 984566479, 1514717660, 1969132958, 3938265916, 4922832395, 9845664790, 19691329580]

約数ペア:

[(1, 19691329580), (2, 9845664790), (4, 4922832395), (5, 3938265916), (10, 1969132958), (13, 1514717660), (20, 984566479), (26, 757358830), (31, 635204180), (52, 378679415), (62, 317602090), (65, 302943532), (124, 158801045), (130, 151471766), (155, 127040836), (260, 75735883), (310, 63520418), (403, 48861860), (620, 31760209), (806, 24430930), (1612, 12215465), (2015, 9772372), (4030, 4886186), (8060, 2443093)]