19902372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7643}}^1$

素因数の和:7688

約数の個数: 48

約数和(自身を含む): 54792192

約数和(自身を除く): 34889820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 7643, 15286, 22929, 30572, 45858, 53501, 91716, 107002, 160503, 214004, 236933, 321006, 473866, 642012, 710799, 947732, 1421598, 1658531, 2843196, 3317062, 4975593, 6634124, 9951186, 19902372]

約数ペア:

[(1, 19902372), (2, 9951186), (3, 6634124), (4, 4975593), (6, 3317062), (7, 2843196), (12, 1658531), (14, 1421598), (21, 947732), (28, 710799), (31, 642012), (42, 473866), (62, 321006), (84, 236933), (93, 214004), (124, 160503), (186, 107002), (217, 91716), (372, 53501), (434, 45858), (651, 30572), (868, 22929), (1302, 15286), (2604, 7643)]