2019905940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2589623}}^1$

素因数の和:2589648

約数の個数: 48

約数和(自身を含む): 6090795648

約数和(自身を除く): 4070889708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2589623, 5179246, 7768869, 10358492, 12948115, 15537738, 25896230, 31075476, 33665099, 38844345, 51792460, 67330198, 77688690, 100995297, 134660396, 155377380, 168325495, 201990594, 336650990, 403981188, 504976485, 673301980, 1009952970, 2019905940]

約数ペア:

[(1, 2019905940), (2, 1009952970), (3, 673301980), (4, 504976485), (5, 403981188), (6, 336650990), (10, 201990594), (12, 168325495), (13, 155377380), (15, 134660396), (20, 100995297), (26, 77688690), (30, 67330198), (39, 51792460), (52, 38844345), (60, 33665099), (65, 31075476), (78, 25896230), (130, 15537738), (156, 12948115), (195, 10358492), (260, 7768869), (390, 5179246), (780, 2589623)]