15819888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 31319952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 197, 239, 336, 394, 478, 591, 717, 788, 956, 1182, 1379, 1434, 1576, 1673, 1912, 2364, 2758, 2868, 3152, 3346, 3824, 4137, 4728, 5019, 5516, 5736, 6692, 8274, 9456, 10038, 11032, 11472, 13384, 16548, 20076, 22064, 26768, 33096, 40152, 47083, 66192, 80304, 94166, 141249, 188332, 282498, 329581, 376664, 564996, 659162, 753328, 988743, 1129992, 1318324, 1977486, 2259984, 2636648, 3954972, 5273296, 7909944, 15819888]

約数ペア:

[(1, 15819888), (2, 7909944), (3, 5273296), (4, 3954972), (6, 2636648), (7, 2259984), (8, 1977486), (12, 1318324), (14, 1129992), (16, 988743), (21, 753328), (24, 659162), (28, 564996), (42, 376664), (48, 329581), (56, 282498), (84, 188332), (112, 141249), (168, 94166), (197, 80304), (239, 66192), (336, 47083), (394, 40152), (478, 33096), (591, 26768), (717, 22064), (788, 20076), (956, 16548), (1182, 13384), (1379, 11472), (1434, 11032), (1576, 10038), (1673, 9456), (1912, 8274), (2364, 6692), (2758, 5736), (2868, 5516), (3152, 5019), (3346, 4728), (3824, 4137)]