19871910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11621}}^1$

素因数の和:11653

約数の個数: 48

約数和(自身を含む): 54390960

約数和(自身を除く): 34519050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 11621, 23242, 34863, 58105, 69726, 104589, 116210, 174315, 209178, 220799, 348630, 441598, 522945, 662397, 1045890, 1103995, 1324794, 1987191, 2207990, 3311985, 3974382, 6623970, 9935955, 19871910]

約数ペア:

[(1, 19871910), (2, 9935955), (3, 6623970), (5, 3974382), (6, 3311985), (9, 2207990), (10, 1987191), (15, 1324794), (18, 1103995), (19, 1045890), (30, 662397), (38, 522945), (45, 441598), (57, 348630), (90, 220799), (95, 209178), (114, 174315), (171, 116210), (190, 104589), (285, 69726), (342, 58105), (570, 34863), (855, 23242), (1710, 11621)]