18283720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5023}}^1$

素因数の和:5054

約数の個数: 64

約数和(自身を含む): 50641920

約数和(自身を除く): 32358200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5023, 10046, 20092, 25115, 35161, 40184, 50230, 65299, 70322, 100460, 130598, 140644, 175805, 200920, 261196, 281288, 326495, 351610, 457093, 522392, 652990, 703220, 914186, 1305980, 1406440, 1828372, 2285465, 2611960, 3656744, 4570930, 9141860, 18283720]

約数ペア:

[(1, 18283720), (2, 9141860), (4, 4570930), (5, 3656744), (7, 2611960), (8, 2285465), (10, 1828372), (13, 1406440), (14, 1305980), (20, 914186), (26, 703220), (28, 652990), (35, 522392), (40, 457093), (52, 351610), (56, 326495), (65, 281288), (70, 261196), (91, 200920), (104, 175805), (130, 140644), (140, 130598), (182, 100460), (260, 70322), (280, 65299), (364, 50230), (455, 40184), (520, 35161), (728, 25115), (910, 20092), (1820, 10046), (3640, 5023)]