16804917906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{19949}}^1$

素因数の和:20639

約数の個数: 64

約数和(自身を含む): 39713587200

約数和(自身を除く): 22908669294

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 647, 651, 1294, 1302, 1941, 3882, 4529, 9058, 13587, 19949, 20057, 27174, 39898, 40114, 59847, 60171, 119694, 120342, 139643, 140399, 279286, 280798, 418929, 421197, 618419, 837858, 842394, 1236838, 1855257, 3710514, 4328933, 8657866, 12907003, 12986799, 25814006, 25973598, 38721009, 77442018, 90349021, 180698042, 271047063, 400117093, 542094126, 800234186, 1200351279, 2400702558, 2800819651, 5601639302, 8402458953, 16804917906]

約数ペア:

[(1, 16804917906), (2, 8402458953), (3, 5601639302), (6, 2800819651), (7, 2400702558), (14, 1200351279), (21, 800234186), (31, 542094126), (42, 400117093), (62, 271047063), (93, 180698042), (186, 90349021), (217, 77442018), (434, 38721009), (647, 25973598), (651, 25814006), (1294, 12986799), (1302, 12907003), (1941, 8657866), (3882, 4328933), (4529, 3710514), (9058, 1855257), (13587, 1236838), (19949, 842394), (20057, 837858), (27174, 618419), (39898, 421197), (40114, 418929), (59847, 280798), (60171, 279286), (119694, 140399), (120342, 139643)]