18996880588

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1\times {\mathrm{43427}}^1$

素因数の和:44374

約数の個数: 48

約数和(自身を含む): 40273390080

約数和(自身を除く): 21276509492

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 919, 1838, 3676, 6433, 12866, 15623, 25732, 31246, 43427, 62492, 86854, 109361, 173708, 218722, 303989, 437444, 607978, 738259, 1215956, 1476518, 2953036, 5167813, 10335626, 20671252, 39909413, 79818826, 159637652, 279365891, 558731782, 678460021, 1117463564, 1356920042, 2713840084, 4749220147, 9498440294, 18996880588]

約数ペア:

[(1, 18996880588), (2, 9498440294), (4, 4749220147), (7, 2713840084), (14, 1356920042), (17, 1117463564), (28, 678460021), (34, 558731782), (68, 279365891), (119, 159637652), (238, 79818826), (476, 39909413), (919, 20671252), (1838, 10335626), (3676, 5167813), (6433, 2953036), (12866, 1476518), (15623, 1215956), (25732, 738259), (31246, 607978), (43427, 437444), (62492, 303989), (86854, 218722), (109361, 173708)]