19051286840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{495611}}^1$

素因数の和:495684

約数の個数: 48

約数和(自身を含む): 44292844440

約数和(自身を除く): 25241557600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 7688, 9610, 19220, 38440, 495611, 991222, 1982444, 2478055, 3964888, 4956110, 9912220, 15363941, 19824440, 30727882, 61455764, 76819705, 122911528, 153639410, 307278820, 476282171, 614557640, 952564342, 1905128684, 2381410855, 3810257368, 4762821710, 9525643420, 19051286840]

約数ペア:

[(1, 19051286840), (2, 9525643420), (4, 4762821710), (5, 3810257368), (8, 2381410855), (10, 1905128684), (20, 952564342), (31, 614557640), (40, 476282171), (62, 307278820), (124, 153639410), (155, 122911528), (248, 76819705), (310, 61455764), (620, 30727882), (961, 19824440), (1240, 15363941), (1922, 9912220), (3844, 4956110), (4805, 3964888), (7688, 2478055), (9610, 1982444), (19220, 991222), (38440, 495611)]