19345984

素因数分解:

$2^6\times 7^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 84

約数和(自身を含む): 46329600

約数和(自身を除く): 26983616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 196, 199, 217, 224, 248, 392, 398, 434, 448, 496, 784, 796, 868, 992, 1393, 1519, 1568, 1592, 1736, 1984, 2786, 3038, 3136, 3184, 3472, 5572, 6076, 6169, 6368, 6944, 9751, 11144, 12152, 12338, 12736, 13888, 19502, 22288, 24304, 24676, 39004, 43183, 44576, 48608, 49352, 78008, 86366, 89152, 97216, 98704, 156016, 172732, 197408, 302281, 312032, 345464, 394816, 604562, 624064, 690928, 1209124, 1381856, 2418248, 2763712, 4836496, 9672992, 19345984]

約数ペア:

[(1, 19345984), (2, 9672992), (4, 4836496), (7, 2763712), (8, 2418248), (14, 1381856), (16, 1209124), (28, 690928), (31, 624064), (32, 604562), (49, 394816), (56, 345464), (62, 312032), (64, 302281), (98, 197408), (112, 172732), (124, 156016), (196, 98704), (199, 97216), (217, 89152), (224, 86366), (248, 78008), (392, 49352), (398, 48608), (434, 44576), (448, 43183), (496, 39004), (784, 24676), (796, 24304), (868, 22288), (992, 19502), (1393, 13888), (1519, 12736), (1568, 12338), (1592, 12152), (1736, 11144), (1984, 9751), (2786, 6944), (3038, 6368), (3136, 6169), (3184, 6076), (3472, 5572)]