18749048

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 40089600

約数和(自身を除く): 21340552

約数列:

[1, 2, 4, 8, 19, 23, 31, 38, 46, 62, 76, 92, 124, 152, 173, 184, 248, 346, 437, 589, 692, 713, 874, 1178, 1384, 1426, 1748, 2356, 2852, 3287, 3496, 3979, 4712, 5363, 5704, 6574, 7958, 10726, 13148, 13547, 15916, 21452, 26296, 27094, 31832, 42904, 54188, 75601, 101897, 108376, 123349, 151202, 203794, 246698, 302404, 407588, 493396, 604808, 815176, 986792, 2343631, 4687262, 9374524, 18749048]

約数ペア:

[(1, 18749048), (2, 9374524), (4, 4687262), (8, 2343631), (19, 986792), (23, 815176), (31, 604808), (38, 493396), (46, 407588), (62, 302404), (76, 246698), (92, 203794), (124, 151202), (152, 123349), (173, 108376), (184, 101897), (248, 75601), (346, 54188), (437, 42904), (589, 31832), (692, 27094), (713, 26296), (874, 21452), (1178, 15916), (1384, 13547), (1426, 13148), (1748, 10726), (2356, 7958), (2852, 6574), (3287, 5704), (3496, 5363), (3979, 4712)]