19999554912

素因数分解:

$2^5\times 3^3\times {\mathrm{71}}^1\times {\mathrm{326023}}^1$

素因数の和:326113

約数の個数: 96

約数和(自身を含む): 59153794560

約数和(自身を除く): 39154239648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 71, 72, 96, 108, 142, 144, 213, 216, 284, 288, 426, 432, 568, 639, 852, 864, 1136, 1278, 1704, 1917, 2272, 2556, 3408, 3834, 5112, 6816, 7668, 10224, 15336, 20448, 30672, 61344, 326023, 652046, 978069, 1304092, 1956138, 2608184, 2934207, 3912276, 5216368, 5868414, 7824552, 8802621, 10432736, 11736828, 15649104, 17605242, 23147633, 23473656, 31298208, 35210484, 46295266, 46947312, 69442899, 70420968, 92590532, 93894624, 138885798, 140841936, 185181064, 208328697, 277771596, 281683872, 370362128, 416657394, 555543192, 624986091, 740724256, 833314788, 1111086384, 1249972182, 1666629576, 2222172768, 2499944364, 3333259152, 4999888728, 6666518304, 9999777456, 19999554912]

約数ペア:

[(1, 19999554912), (2, 9999777456), (3, 6666518304), (4, 4999888728), (6, 3333259152), (8, 2499944364), (9, 2222172768), (12, 1666629576), (16, 1249972182), (18, 1111086384), (24, 833314788), (27, 740724256), (32, 624986091), (36, 555543192), (48, 416657394), (54, 370362128), (71, 281683872), (72, 277771596), (96, 208328697), (108, 185181064), (142, 140841936), (144, 138885798), (213, 93894624), (216, 92590532), (284, 70420968), (288, 69442899), (426, 46947312), (432, 46295266), (568, 35210484), (639, 31298208), (852, 23473656), (864, 23147633), (1136, 17605242), (1278, 15649104), (1704, 11736828), (1917, 10432736), (2272, 8802621), (2556, 7824552), (3408, 5868414), (3834, 5216368), (5112, 3912276), (6816, 2934207), (7668, 2608184), (10224, 1956138), (15336, 1304092), (20448, 978069), (30672, 652046), (61344, 326023)]