19268860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 44777376

約数和(自身を除く): 25508516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2003, 2405, 4006, 4810, 8012, 9620, 10015, 20030, 26039, 40060, 52078, 74111, 104156, 130195, 148222, 260390, 296444, 370555, 520780, 741110, 963443, 1482220, 1926886, 3853772, 4817215, 9634430, 19268860]

約数ペア:

[(1, 19268860), (2, 9634430), (4, 4817215), (5, 3853772), (10, 1926886), (13, 1482220), (20, 963443), (26, 741110), (37, 520780), (52, 370555), (65, 296444), (74, 260390), (130, 148222), (148, 130195), (185, 104156), (260, 74111), (370, 52078), (481, 40060), (740, 26039), (962, 20030), (1924, 10015), (2003, 9620), (2405, 8012), (4006, 4810)]