19823820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11393}}^1$

素因数の和:11434

約数の個数: 48

約数和(自身を含む): 57425760

約数和(自身を除く): 37601940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11393, 22786, 34179, 45572, 56965, 68358, 113930, 136716, 170895, 227860, 330397, 341790, 660794, 683580, 991191, 1321588, 1651985, 1982382, 3303970, 3964764, 4955955, 6607940, 9911910, 19823820]

約数ペア:

[(1, 19823820), (2, 9911910), (3, 6607940), (4, 4955955), (5, 3964764), (6, 3303970), (10, 1982382), (12, 1651985), (15, 1321588), (20, 991191), (29, 683580), (30, 660794), (58, 341790), (60, 330397), (87, 227860), (116, 170895), (145, 136716), (174, 113930), (290, 68358), (348, 56965), (435, 45572), (580, 34179), (870, 22786), (1740, 11393)]